US2579368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Warner and Swasey Co
•
Filing: 1946-07-18
•
Granted: 1951-12-18
•
Expires: 1966-07-18
Abstract
No abstract record available.
Inventors
- 👤 Myron S Curtis
- 👤 Schoepe Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:11
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4828; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/025; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/341; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5165; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1441
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US436072A
Cited
US944497A
Cited
US1317766A
Cited
US1109843A
Cited
US1040751A
Cited
US1083987A
Cited
US1217059A
Cited
US1484604A
Cited
US2189558A
Cited
US2382482A
Cited
US2453120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |