Patent US3013620A successfully refreshed from Google Patents.
US3013620A
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US
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Tooth locking means
Assignee: ORENDORFF Manufacturing CO
•
Filing: 1959-07-13
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Granted: 1961-12-19
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Roy R Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:01
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2875; A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01B35/225; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US410121A
Cited
US440255A
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US1108600A
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US1126759A
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US2075182A
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US2837844A
Cited
US2895559A
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US2837843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |