US2600294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baking chamber
Assignee: NORTH AMERICAN ELECTRIC LAMP C
•
Filing: 1948-02-24
•
Granted: 1952-06-10
•
Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 Henry Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/28; F26B3/30; F26B25/00; F26B25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057776A
Cited
US2221351A
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US2418283A
Cited
US2405631A
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US2439005A
Cited
US2419643A
Cited
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Cited
US2521232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |