US3540347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for machining workpieces
Assignee: Individual
•
Filing: 1968-08-15
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Granted: 1970-11-17
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Expires: 1988-08-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph Gerard Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q5/323; B23Q5/02; B23Q5/04; B23Q5/043; B23Q5/046; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T408/33; Y10T409/00; Y10T409/30; Y10T409/30448; Y10T409/306664; Y10T409/30756; Y10T409/307616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |