Patent US2934075A successfully refreshed from Google Patents.
US2934075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable structure
Assignee: Individual
•
Filing: 1955-08-16
•
Granted: 1960-04-26
•
Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Ambrose M Richardson
- 👤 George W Mccauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H2015/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468455A
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US511472A
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US1964818A
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US2411316A
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US2705349A
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US2711181A
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US2698020A
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US2682235A
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US2649101A
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US2812769A
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |