US2869375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Step-by-step ratchet drive
Assignee: Controls Company of America
•
Filing: 1955-07-25
•
Granted: 1959-01-20
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Melvin R Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:04
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; G; G04; G04B; G04B11/00; G04B11/02; G04B11/04; G04B13/00; G04B13/002; G04B13/003; G05; G05G; G05G21/00; H; H01; H01H; H01H43/00; H01H43/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1523; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1574
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US656380A
Cited
US987105A
Cited
US1113999A
Cited
US1425007A
Cited
US2201798A
Cited
US2208831A
Cited
US2614456A
Cited
US2656424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |