Patent US3442165A successfully refreshed from Google Patents.
US3442165A
Expired / Lapsed
US
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Turning fixture for generating polygonal shapes
Assignee: Sloan Valve Co
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Filing: 1967-01-23
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Granted: 1969-05-06
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Henry R Billeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q27/006; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307448; Y10T409/307784; Y10T82/00; Y10T82/13
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) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |