US2843976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental feed mechanisms
Assignee: AIRBORNE INSTR LAB Inc
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Filing: 1957-05-21
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Granted: 1958-07-22
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Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Edward S Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:06
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q2705/00; B23Q2705/10; B23Q2705/18; B23Q2705/182; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1598
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |