US3436994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Warner and Swasey Co
•
Filing: 1967-01-05
•
Granted: 1969-04-08
•
Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Diener
- 👤 Andrew A Spisak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:53
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/348; B23Q2705/00; B23Q2705/10; B23Q2705/18; B23Q2705/182; B23Q2705/185; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T408/00; Y10T408/91; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18704; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2564180A
Cited
US3244037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |