US3049117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket hand warmer and burner unit therefor
Assignee: Sears Roebuck and Co
•
Filing: 1961-05-05
•
Granted: 1962-08-14
•
Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Matoba Kyozo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F7/03; A61F7/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227899A
Cited
US2914060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |