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Patent US3509633A successfully refreshed from Google Patents.
US3509633A
Expired / Lapsed
US
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Cutting guide
Assignee: ANTHONY M FERNANDES
•
Filing: 1968-04-22
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Granted: 1970-05-05
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Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Fernandes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:07
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/08; B26; B26B; B26B29/00; B26B29/06
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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |