Patent US1632204A successfully refreshed from Google Patents.
US1632204A
Expired / Lapsed
US
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Conveyer system
Assignee: CATHERINE HOLMAN ELKIN
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Filing: 1924-07-19
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Granted: 1927-06-14
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Expires: 1944-07-19
Abstract
No abstract record available.
Inventors
- 👤 Threefoot Louis
- 👤 George W Elkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:14
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B65G1/08
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) | 1930-06-13 | 1930-12-13 | 1931-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-06-13 | 1934-12-13 | 1935-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-06-13 | 1938-12-13 | 1939-06-14 | $7700.00 | Window Closed / Lapsed |