US2844413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1954-12-17
•
Granted: 1958-07-22
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Gates Joseph Harold
- 👤 Gates Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:09
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/02; B62D; B62D55/00; B62D55/06; B62D55/075; B62D55/08; B62D55/18; B62D55/26; B62B2301/00; B62B2301/25; B62B2301/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315299A
Cited
US1773534A
Cited
US1975725A
Cited
US1975726A
Cited
US2037983A
Cited
US2597532A
Cited
US2620041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |