US2683380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear wheel
Assignee: SILENTBLOE Ltd
•
Filing: 1951-07-13
•
Granted: 1954-07-13
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hutton Philip Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:59
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19907; Y10T74/1994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287711A
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US379022A
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US430818A
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US470953A
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US643134A
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US1141097A
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US1393610A
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US1735229A
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US2093420A
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US2270583A
Cited
US2429008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |