Patent US3452734A successfully refreshed from Google Patents.
US3452734A
Expired / Lapsed
US
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Precision band-type cutting machine
Assignee: Continental Machines Inc
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Filing: 1968-08-19
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Granted: 1969-07-01
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Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Charles E Cleland
- 👤 Eugene N Connoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:35
CPC Classifications
B; B23; B23D; B23D59/00; B23D59/04; B23D55/00; B23D55/06; B23D55/08; B23D55/082; B28; B28D; B28D5/00; B28D5/0058; B28D5/04; B28D5/045; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7226; Y10T83/7264
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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |