US2962770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Top roll for drafting mechanism
Assignee: Saco Lowell Shops
•
Filing: 1957-02-15
•
Granted: 1960-12-06
•
Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Garfield B Ingraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:27
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2622949A
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US2714229A
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US2699656A
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US2812554A
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US2894425A
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US2757054A
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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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |