US3478419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for conducting machining operations
Assignee: Individual
•
Filing: 1968-03-25
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Granted: 1969-11-18
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Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 John A Cupler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:17
CPC Classifications
B; B43; B43K; B43K15/00; B43K15/02; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/03; B23Q1/25; B23Q1/26; B23Q1/34; B23Q1/44; B23Q1/48; B23Q1/70; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/026; B23Q3/00; B23Q3/155; B23Q3/15506; B23Q3/1552; B23Q3/15526; B23Q3/15536; B23Q3/157; B23Q3/15706; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/22; B23Q5/32; B23Q5/323; B23Q5/34; B23Q5/341; B23Q2003/15537; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/385; Y10T483/00; Y10T483/17; Y10T483/1729; Y10T483/1733; Y10T483/179; Y10T483/1798
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |