Patent US2165975A successfully refreshed from Google Patents.
Patent US1074387A successfully refreshed from Google Patents.
US1074387A
Expired / Lapsed
US
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Combined tray-conveyer and spiral chute.
Assignee: GRAVITY CONVEYOR Co
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Filing: 1909-06-11
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Granted: 1913-09-30
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Expires: 1929-06-11
Abstract
No abstract record available.
Inventors
- 👤 Martin C Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:01
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/12; B65G17/123; B65G11/00; B65G11/06; B65G2201/00; B65G2201/02; B65G2201/0229
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) | 1916-09-29 | 1917-03-31 | 1917-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-09-29 | 1921-03-31 | 1921-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-09-29 | 1925-03-31 | 1925-09-30 | $7700.00 | Window Closed / Lapsed |