US2944805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating method and apparatus
Assignee: Midland Ross Corp
•
Filing: 1956-01-23
•
Granted: 1960-07-12
•
Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 John D Nesbitt
- 👤 Theodore W Munford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:26
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/0037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751720A
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US1385480A
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US714710A
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US1372781A
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US1723319A
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US1617955A
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US1999513A
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US2255166A
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US2443244A
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US2622861A
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US2625385A
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US2690905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |