US1875966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch mechanism for conveyer systems
Assignee: Individual
•
Filing: 1930-03-18
•
Granted: 1932-09-06
•
Expires: 1950-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jervis B Webb
- 👤 Duane A Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:57
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/001; E; E01; E01B; E01B25/00; E01B25/22; E01B25/26; B65; B65G; B65G2812/00; B65G2812/02; B65G2812/02009; B65G2812/02019; B65G2812/02069; B65G2812/02079
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) | 1935-09-06 | 1936-03-07 | 1936-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-06 | 1940-03-07 | 1940-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-06 | 1944-03-07 | 1944-09-06 | $7700.00 | Window Closed / Lapsed |