US2520997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baking unit
Assignee: Individual
•
Filing: 1947-05-01
•
Granted: 1950-09-05
•
Expires: 1967-05-01
Abstract
No abstract record available.
Inventors
- 👤 John F Cavanagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:00
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE251206C
Cited
US474601A
Cited
US750445A
Cited
DE440046C
Cited
US1257513A
Cited
US1687662A
Cited
US1950385A
Cited
US1969361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |