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US3001679A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1959-06-10
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Granted: 1961-09-26
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick N Canning
- 👤 Walter L Canning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:58
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1008; Y; Y10; Y10T; Y10T24/00; Y10T24/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US429357A
Cited
US2596860A
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US2584292A
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US2795388A
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US2766897A
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US2798625A
Cited
US2901201A
Cited
US2888178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |