US2502172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-conditioned bakery oven
Assignee: Individual
•
Filing: 1945-11-14
•
Granted: 1950-03-28
•
Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Edward H Paulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:33
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/42; A21B1/48; A21B3/00; A21B3/04; A21D; A21D8/00; A21D8/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US165813A
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US2073221A
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US1169023A
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US1393086A
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US1567031A
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US1878519A
Cited
US1819231A
Cited
US2059874A
Cited
US2143505A
Cited
US2141591A
Cited
US2215193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |