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Patent US1960865A successfully refreshed from Google Patents.
US1960865A
Expired / Lapsed
US
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Art of road construction
Assignee: Pacific Lumber Co
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Filing: 1930-12-16
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Granted: 1934-05-29
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Expires: 1950-12-16
Abstract
No abstract record available.
Inventors
- 👤 Francis L Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:11
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; E; E01; E01C; E01C7/00; E01C7/08; E01C7/18; E01C7/26; E01C7/262; E01C7/35; E01C7/353; C08L2555/00; C08L2555/40; C08L2555/50; C08L2555/52; C08L2555/60; C08L2555/62; C08L2555/64; C08L2555/80; C08L2555/82
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) | 1937-05-28 | 1937-11-27 | 1938-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-28 | 1941-11-27 | 1942-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-28 | 1945-11-27 | 1946-05-29 | $7700.00 | Window Closed / Lapsed |