US2929288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pantograph attachment for lathes and the like
Assignee: Giannini Controls Corp
•
Filing: 1957-04-08
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Granted: 1960-03-22
•
Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wirt T Harvey
- 👤 Jr Charles F Sardou
- 👤 Delbert R Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:03
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/20; B24; B24B; B24B17/00; B24B17/02; B24B17/021; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301232; Y10T409/309576; Y10T409/309856; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T82/00; Y10T82/14; Y10T82/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1234225A
Cited
US1707914A
Cited
US2253095A
Cited
US2379419A
Cited
US2434834A
Cited
US2766529A
Cited
US2689505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |