US2467277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-04-03
•
Granted: 1949-04-12
•
Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 John E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:33
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02; B62D33/023; B62D33/027; B62D33/0273; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |