US2867402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support
Assignee: Individual
•
Filing: 1955-07-15
•
Granted: 1959-01-06
•
Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Graybill
- 👤 Silas H Graybill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:02
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2470878A
Cited
US1906369A
Cited
US2379994A
Cited
US2538493A
Cited
US2693015A
Cited
US2645393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |