Patent US2737397A successfully refreshed from Google Patents.
US2737397A
Expired / Lapsed
US
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Combination sled and portable shelter
Assignee: Individual
•
Filing: 1953-03-20
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Granted: 1956-03-06
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Expires: 1973-03-20
Abstract
No abstract record available.
Inventors
- 👤 James H Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:20
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/02; E04H15/06; Y; Y10; Y10S; Y10S135/00; Y10S135/901; Y10S135/906
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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |