US2823276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1954-09-16
•
Granted: 1958-02-11
•
Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Bibb
- 👤 Earl L Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:18
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/22; B67D7/224; B67D7/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330451A
Cited
US568755A
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US1079229A
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US1301585A
Cited
US2060674A
Cited
US2176569A
Cited
US2233139A
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US2178890A
Cited
US2379785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |