US2543834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work loading means for machine tools
Assignee: Fellows Gear Shaper Co
•
Filing: 1947-12-02
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Granted: 1951-03-06
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Expires: 1967-12-02
Abstract
No abstract record available.
Inventors
- 👤 John D Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/04; B23Q; B23Q7/00; B23Q7/006; B23Q7/06; B23Q7/10; B23Q7/106; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/06; B65G47/08; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |