Patent US2727593A successfully refreshed from Google Patents.
US2727593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail clamp
Assignee: Individual
•
Filing: 1954-02-26
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Granted: 1955-12-20
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Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Vicklun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:58
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10; B; B61; B61D; B61D9/00; B61D9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172627A
Cited
US648258A
Cited
US1236315A
Cited
US1401991A
Cited
US1548876A
Cited
US1513296A
Cited
US2189244A
Cited
US2369513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |