US3405580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shear drive
Assignee: HALLDEN MACHINE Co
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Filing: 1966-05-24
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Granted: 1968-10-15
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Karl W Hallden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/56; B26D1/62; B26D1/626; F; F16; F16H; F16H57/00; F16H57/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T83/00; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4766; Y10T83/4795; Y10T83/483
Claims Analysis
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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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |