US755504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-speed mechanism.
Assignee: American Tool Works Co
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Filing: 1903-10-19
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Granted: 1904-03-22
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Expires: 1923-10-19
Abstract
No abstract record available.
Inventors
- 👤 Charles F Laur
- 👤 Albert E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:02
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19223; Y10T74/19377; Y10T74/19386; Y10T74/194
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) | 1907-03-22 | 1907-09-21 | 1908-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-22 | 1911-09-21 | 1912-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-22 | 1915-09-21 | 1916-03-22 | $7700.00 | Window Closed / Lapsed |