US2918299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-11-28
•
Granted: 1959-12-22
•
Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Arnold L Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:41
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0026; B62B1/00; B62B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US123707A
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US772253A
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US1180225A
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US1513469A
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US1455395A
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US1585834A
Cited
CH185014A
Cited
US2253288A
Cited
NL76392C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |