US2479680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monorail conveyer and chain therefor
Assignee: Individual
•
Filing: 1947-03-12
•
Granted: 1949-08-23
•
Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur S Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:49
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/48; B65G17/485; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US756481A
Cited
US976664A
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US1181170A
Cited
US1385032A
Cited
US1672799A
Cited
US1707204A
Cited
US1949691A
Cited
US2244600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |