US1906642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer
Assignee: PHILADELPHIA DRYING MACHINERY
•
Filing: 1931-04-11
•
Granted: 1933-05-02
•
Expires: 1951-04-11
Abstract
No abstract record available.
Inventors
- 👤 Walter W Sibson
- 👤 Henry L Galson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/10; B65G17/02; B65G17/063; B65G17/064; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-05-01 | 1936-10-31 | 1937-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-01 | 1940-10-31 | 1941-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-01 | 1944-10-31 | 1945-05-02 | $7700.00 | Window Closed / Lapsed |