Patent US3850658A successfully refreshed from Google Patents.
US2980124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable shelter
Assignee: Individual
•
Filing: 1960-01-06
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Granted: 1961-04-18
•
Expires: 1980-01-06
Abstract
No abstract record available.
Inventors
- 👤 Byron L Atchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:34
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/003; Y; Y10; Y10S; Y10S135/00; Y10S135/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US415638A
Cited
US1538064A
Cited
US1960001A
Cited
US2290786A
Cited
US2755009A
Cited
US2827065A
Cited
US2898923A
Cited
US2816559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |