US2753573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable mattress
Assignee: Individual
•
Filing: 1951-11-08
•
Granted: 1956-07-10
•
Expires: 1971-11-08
Abstract
No abstract record available.
Inventors
- 👤 Edward D Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/006; A47C27/00; A47C27/08; A47C27/081; A47C27/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US132409A
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US194446A
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US620923A
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US402992A
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US539621A
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US712720A
Cited
US713329A
Cited
US916802A
Cited
US2046039A
Cited
US2423890A
Cited
US2581357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |