Patent US2963030A successfully refreshed from Google Patents.
US2963030A
Expired / Lapsed
US
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Portable collapsible shelter
Assignee: Individual
•
Filing: 1956-02-16
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Granted: 1960-12-06
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Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert L Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:01
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/34; E04H15/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1068352A
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US1079757A
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US1583039A
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US1588391A
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US1650323A
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US1730565A
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US1761901A
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US2144747A
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US2742912A
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US2646057A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |