US3042941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable mattress
Assignee: Hampshire Manufacturing Corp
•
Filing: 1959-01-20
•
Granted: 1962-07-10
•
Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Louis G Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:49
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/18; A47C27/08; A47C27/081; A47C27/084; A47C27/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317235A
Cited
US2119687A
Cited
US2068134A
Cited
US2369736A
Cited
US2701579A
Cited
US2686006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |