US2997951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiping and polishing device for intaglio printing presses
Assignee: Individual
•
Filing: 1957-11-01
•
Granted: 1961-08-29
•
Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 William F Huck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:22
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/08; B41F9/14; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US77896A
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US917861A
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US952060A
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US1115127A
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US1692914A
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US1968980A
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GB474850A
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US2359770A
Cited
US2610524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |