US2620698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearing and locking means
Assignee: Lees Bradner Co
•
Filing: 1948-02-17
•
Granted: 1952-12-09
•
Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Homer C Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:57
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/30; B23B; B23B23/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912; Y10T409/309968; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172437A
Cited
US1441192A
Cited
US2211788A
Cited
US2368877A
Cited
US2403581A
Cited
US2453656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |