Patent US3299761A successfully refreshed from Google Patents.
US3299761A
Expired / Lapsed
US
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Punch assembly
Assignee: Individual
•
Filing: 1964-11-06
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Granted: 1967-01-24
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Goldman Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:41
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8858; Y10T83/8864; Y10T83/8867; Y10T83/8868; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PUNCH ASSEMBLY COMPRISING A FRAME HAVING A PNEUMATIC CYLINDER HOLDER, A PUNCH HOLDER AND A DIE HOLDER, A DIE MOUNTED ON THE DIE HOLDER AND A PUNCH MOUNTED IN ITS HOLDER, A PNEUMATIC CYLINDER MOUNTED ON THE PNEUMATIC CYLINDER HOLDER AND WHEN ENERGIZED DRIVING THE PUNCH TOWARD THE DIE HOLDER, SAID DIE, PUNCH AND CYLINDER FORMING A PUNCH UNIT, A SPRING RETURN MOUNTED ON THE PUNCH FOR RETURNING THE PUNCH TO A POSITION AWAY FROM THE DIE HOLDER WHEN THE CYLINDER IS DEENERGIZED, A PASSAGE FOR CONNECTING THE CYLINDER TO A COMPRESSED AIR SOURCE,
Claim 2
Dependent Claim
95 words
A PUNCH ASSEMBLY COMPRISING A FRAME HAVING A PNEUMATIC CYLINDER HOLDER, A PUNCH HOLDER AND A DIE HOLDER, A DIE MOUNTED ON THE DIE HOLDER AND A PUNCH MOUNTED IN ITS HOLDER, A PNEUMATIC CYLINDER MOUNTED ON THE PNEUMATIC CYLINDER HOLDER AND WHEN ENERGIZED DRIVING THE PUNCH TOWARD THE DIE HOLDER, SAID DIE, PUNCH AND CYLINDER FORMING A PUNCH UNIT, A SPRING RETURN MOUNTED ON THE PUNCH FOR RETURNING THE PUNCH TO A POSITION AWAY FROM THE DIE HOLDER WHEN THE CYLINDER IS DEENERGIZED, A PASSAGE FOR CONNECTING THE CYLINDER TO A COMPRESSED AIR SOURCE,
References Cited (Backward Citations)
US3125917A
Cited
US3098406A
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US3089376A
Cited
US3096015A
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US3147657A
Cited
US3196728A
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |