Patent US1454508A successfully refreshed from Google Patents.
US1454508A
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US
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Gear wheel and method of manufacturing the same
Assignee: Individual
•
Filing: 1920-05-24
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Granted: 1923-05-08
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Expires: 1940-05-24
Abstract
No abstract record available.
Inventors
- 👤 Eckert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:18
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21K1/30; F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49474; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19949; Y10T74/19958
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) | 1926-05-07 | 1926-11-06 | 1927-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-07 | 1930-11-06 | 1931-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-07 | 1934-11-06 | 1935-05-08 | $7700.00 | Window Closed / Lapsed |