US2818875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tent frame
Assignee: Individual
•
Filing: 1956-06-04
•
Granted: 1958-01-07
•
Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Denn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:48
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/28; B; B23; B23K; B23K1/00; E04H15/32; E04H15/34; B23K2101/00; B23K2101/24; Y; Y10; Y10S; Y10S135/00; Y10S135/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1347808A
Cited
US1574222A
Cited
US1502898A
Cited
US2181016A
Cited
US2488809A
Cited
US2511452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |