US2961522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating panel
Assignee: MAYFLOWER ELECTRONICS Corp
•
Filing: 1957-07-30
•
Granted: 1960-11-22
•
Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hammer Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
F; F24; F24D; F24D13/00; F24D13/02; Y; Y02; Y02B; Y02B30/00; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2511378A
Cited
US2600913A
Cited
US2680800A
Cited
US2507036A
Cited
US2590944A
Cited
US2572163A
Cited
US2600486A
Cited
US2739083A
Cited
US2683673A
Cited
US2715668A
Cited
US2808351A
Cited
US2761945A
Cited
US2799764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |