Patent US3173744A successfully refreshed from Google Patents.
US1950571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self inflating pillow
Assignee: Individual
•
Filing: 1930-08-18
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Granted: 1934-03-13
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Expires: 1950-08-18
Abstract
No abstract record available.
Inventors
- 👤 Rubin Benjamin Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081; A47C27/084; A47G; A47G9/00; A47G9/10; A47G9/1027; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-12 | 1937-09-11 | 1938-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-12 | 1941-09-11 | 1942-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-12 | 1945-09-11 | 1946-03-13 | $7700.00 | Window Closed / Lapsed |