US2693044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind-driven highway marker
Assignee: Reconstruction Finance Corp
•
Filing: 1949-07-29
•
Granted: 1954-11-02
•
Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
- 👤 Harry S Roemisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:52
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/65; E01F9/688; Y; Y10; Y10S; Y10S116/00; Y10S116/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US574411A
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US588060A
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US647884A
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US917988A
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US1571790A
Cited
US1801274A
Cited
US1956190A
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US2165562A
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US2094942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |