US2797696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible shelters and tents
Assignee: Individual
•
Filing: 1952-06-16
•
Granted: 1957-07-02
•
Expires: 1972-06-16
Abstract
No abstract record available.
Inventors
- 👤 Carl B Fritsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/56; E04H15/34; E04H15/36; E04H15/38; E04H15/44; E04H15/48; E04H15/52; E04H15/64; E04H15/642; E04H15/644; E04H15/646; Y; Y10; Y10S; Y10S135/00; Y10S135/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US378977A
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US627932A
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FR319071A
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US1238360A
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US1413529A
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US2008176A
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US2189567A
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US2225972A
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US2299382A
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US2411316A
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US2578737A
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US2627865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |