US2975262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical heating unit
Assignee: AMF Inc
•
Filing: 1952-09-16
•
Granted: 1961-03-14
•
Expires: 1972-09-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Schnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:32
CPC Classifications
F; F23; F23Q; F23Q7/00
Claims Analysis
Total Claims: 0
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US2596325A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |