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US2582716A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1948-11-03
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Granted: 1952-01-15
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Expires: 1968-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:24
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/062; B62D63/065; B62D63/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080709A
Cited
US2174465A
Cited
US2198270A
Cited
US2187136A
Cited
US2227875A
Cited
US2163850A
Cited
US2282506A
Cited
US2410570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |