US2501765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer oven
Assignee: Baker Perkins Ltd
•
Filing: 1945-04-25
•
Granted: 1950-03-28
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 Dumbleton Claude
- 👤 Gunston David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/02; A21B1/24; A21B1/28; A21B1/42; A21B1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB504950A
Cited
US1697357A
Cited
US1445690A
Cited
US1732262A
Cited
US1946843A
Cited
US1860887A
Cited
DE626349C
Cited
DE668188C
Cited
DE695815C
Cited
US2236085A
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 |