Patent US3735655A successfully refreshed from Google Patents.
US3735655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card cover sheet aperturing apparatus
Assignee: AB Dick Co
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Filing: 1965-08-26
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Granted: 1973-05-29
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Expires: 1985-08-26
Abstract
Abstract 1. In apparatus of the character described, a cutter assembly having a support; four cutting knives mounted on said support in a rectangular pattern and with respect to a common plane on said support with each knife having a cutting edge inclined with respect to said plane and with adjacent ends of adjacent knives extending unequal distances from said plane; an apertured plate slidably mounted on said support to a position extending forwardly of and surrounding said knives; and spring means acting between said plate and said support normally urging said plate to said position.
Inventors
- 👤 F Dedona
- 👤 J Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:48
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/02; G06K19/022; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2127; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428; Y10T83/9435
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
94 words
In apparatus of the character described, a cutter assembly having a support; four cutting knives mounted on said support in a rectangular pattern and with respect to a common plane on said support with each knife having a cutting edge inclined with respect to said plane and with adjacent ends of adjacent knives extending unequal distances from said plane; an apertured plate slidably mounted on said support to a position extending forwardly of and surrounding said knives; and spring means acting between said plate and said support normally urging said plate to said position.
Claim 2
Dependent Claim
94 words
In apparatus of the character described, a cutter assembly having a support; four cutting knives mounted on said support in a rectangular pattern and with respect to a common plane on said support with each knife having a cutting edge inclined with respect to said plane and with adjacent ends of adjacent knives extending unequal distances from said plane; an apertured plate slidably mounted on said support to a position extending forwardly of and surrounding said knives; and spring means acting between said plate and said support normally urging said plate to said position.
Claim 3
Dependent Claim
50 words
Apparatus as set forth in claim 1 in which said support has secured thereto an apertured plate extending around said support; pins slidably mounted on the last mentioned apertured plate and secured to the first mentioned apertured plate; and coil compression springs encircling said pins and comprising said spring means.
Claim 4
Dependent Claim
118 words
In apparatus of the character described, a cutter assembly having a support; cutting means mounted on said support in a rectangular pattern and with respect to a common plane on said support with each of said cutting means having at least one cutting edge inclined with respect to said plane; an apertured plate slidably mounted on said support to a position extending forwardly of and surrounding said cutting means; and spring means acting between said plate and said support normally urging said plate to said position, said cutting means comprising cutting knives with each knife having a cutting edge inclined with respect to said plane and with adjacent ends of adjacent knives extending unequal distances from said plane.
Claim 5
Dependent Claim
118 words
In apparatus of the character described, a cutter assembly having a support; cutting means mounted on said support in a rectangular pattern and with respect to a common plane on said support with each of said cutting means having at least one cutting edge inclined with respect to said plane; an apertured plate slidably mounted on said support to a position extending forwardly of and surrounding said cutting means; and spring means acting between said plate and said support normally urging said plate to said position, said cutting means comprising cutting knives with each knife having a cutting edge inclined with respect to said plane and with adjacent ends of adjacent knives extending unequal distances from said plane.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |