US2929614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll seal for strip heater
Assignee: Midland Ross Corp
•
Filing: 1954-02-11
•
Granted: 1960-03-22
•
Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Gloyd H Young
- 👤 Jr William H Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:32
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/562; C21D9/565
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US936250A
Cited
US1191386A
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US1576163A
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US1737117A
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US1833132A
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US2080027A
Cited
US2135175A
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US2603578A
Cited
US2654587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |