US1489014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable ratchet drive feed mechanism
Assignee: SEALED CASE Co
•
Filing: 1919-09-30
•
Granted: 1924-04-01
•
Expires: 1939-09-30
Abstract
No abstract record available.
Inventors
- 👤 Shellenberger John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:15
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/34; B27M3/36; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1515; Y10T74/1516; Y10T74/1558; Y10T74/1587; Y10T74/1592; Y10T74/1594
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1927-04-01 | 1927-10-01 | 1928-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-01 | 1931-10-01 | 1932-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-01 | 1935-10-01 | 1936-04-01 | $7700.00 | Window Closed / Lapsed |