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US3023831A
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Assignee: Individual
•
Filing: 1958-09-10
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Granted: 1962-03-06
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Richard M Bevis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:56
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/005; B67D7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164327A
Cited
US2614893A
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US2570076A
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US2672917A
Cited
US2753224A
Cited
US2601092A
Cited
US2798623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |