US2704882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making toothed devices
Assignee: Individual
•
Filing: 1949-12-19
•
Granted: 1955-03-29
•
Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:35
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/10; B21D53/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/49462; Y10T29/49465; Y10T29/49799; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US432691A
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US1446487A
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US1508800A
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US840977A
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AT77924B
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US1233688A
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US1743943A
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US1597429A
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US1718721A
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US1819272A
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US1804837A
Cited
US2346906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |