Patent US2773407A successfully refreshed from Google Patents.
US2773407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turning machine
Assignee: CLEVELAND HOBBING MACHINE CO
•
Filing: 1951-06-30
•
Granted: 1956-12-11
•
Expires: 1971-06-30
Abstract
No abstract record available.
Inventors
- 👤 Otis E Staples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:24
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/30; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2272; Y10T407/2282; Y10T407/2286; Y10T407/2288; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2571530A
Cited
US1434782A
Cited
DE623357C
Cited
US745976A
Cited
US1415341A
Cited
US2118020A
Cited
US2225327A
Cited
US2342792A
Cited
US2362318A
Cited
US2422682A
Cited
US2540289A
Cited
US2628415A
Cited
US2644224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |