US2651702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burning-in machine
Assignee: MCBEE Co
•
Filing: 1949-12-13
•
Granted: 1953-09-08
•
Expires: 1969-12-13
Abstract
No abstract record available.
Inventors
- 👤 William F Burke
- 👤 Otis F Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:40
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/40; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474964A
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US1293141A
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US1276253A
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US1520720A
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US1776823A
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US1656824A
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US1625037A
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US1694762A
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US2408350A
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US2495193A
Cited
US2496814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |