US2644222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Warner and Swasey Co
•
Filing: 1947-08-22
•
Granted: 1953-07-07
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Myron S Curtis
- 👤 Schoepe Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; B; B23; B23B; B23B3/00; B23B3/16; B23B3/161; B23B7/00; B23B7/12; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5159; Y10T29/516; Y10T29/5179; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/19; Y10T74/19219; Y10T74/19242
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1269489A
Cited
US1567790A
Cited
US1692315A
Cited
US1795018A
Cited
US1965714A
Cited
US1937006A
Cited
US2086851A
Cited
US2255739A
Cited
US2317264A
Cited
CH228026A
Cited
US2237183A
Cited
US2357427A
Cited
US2357428A
Cited
US2302353A
Cited
US2387254A
Cited
US2455876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |