Patent US3811833A successfully refreshed from Google Patents.
Patent US1263180A successfully refreshed from Google Patents.
US1263180A
Expired / Lapsed
US
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Variable-speed gear.
Assignee: WATERBURY TOOL Co
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Filing: 1909-04-14
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Granted: 1918-04-16
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Expires: 1929-04-14
Abstract
No abstract record available.
Inventors
- 👤 Harvey D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:03
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; F; F16; F16H; F16H48/00; F16H48/12; F16H48/18; B60K17/105
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) | 1921-04-15 | 1921-10-15 | 1922-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-04-15 | 1925-10-15 | 1926-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-04-15 | 1929-10-15 | 1930-04-16 | $7700.00 | Window Closed / Lapsed |