Patent US3475945A successfully refreshed from Google Patents.
US3475945A
Expired / Lapsed
US
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Clearance tool assembly
Assignee: Huck Manufacturing Co
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Filing: 1967-05-15
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Granted: 1969-11-04
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 Peter R Chirco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:35
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21J15/022; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726; Y10T29/5373; Y10T29/53735; Y10T29/53739; Y10T29/53743
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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |