Patent US2943335A successfully refreshed from Google Patents.
US2943335A
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US
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Electrically operated pneumatic apparatus for automatically assembling nuts and bolts
Assignee: American Cast Iron Pipe Co
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Filing: 1956-03-13
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Granted: 1960-07-05
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Expires: 1976-03-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Daniel
- 👤 Jr Carl P Farlow
- 👤 James C Lowery
- 👤 Jr James O Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:35
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/06; B25; B25B; B25B23/00; B25B23/02; B25B23/04; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53039; Y10T29/53043; Y10T29/53313; Y10T29/53383; Y10T29/53396; Y10T29/53687
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |