US1639501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making pulleys
Assignee: Individual
•
Filing: 1923-12-17
•
Granted: 1927-08-16
•
Expires: 1943-12-17
Abstract
No abstract record available.
Inventors
- 👤 William T Hensley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:11
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/49455; Y10T29/49826; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49957
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) | 1930-08-15 | 1931-02-14 | 1931-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-15 | 1935-02-14 | 1935-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-15 | 1939-02-14 | 1939-08-16 | $7700.00 | Window Closed / Lapsed |