US2907089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road form
Assignee: Individual
•
Filing: 1955-06-23
•
Granted: 1959-10-06
•
Expires: 1975-06-23
Abstract
No abstract record available.
Inventors
- 👤 Mccaffrey John Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:42
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502; Y; Y10; Y10S; Y10S425/00; Y10S425/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1918710A
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US1839286A
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US1944257A
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US1916796A
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US1983924A
Cited
US2138634A
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US2550525A
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US2577996A
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US2722045A
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US2793416A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |