US2860800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer
Assignee: Wald Indusries Inc
•
Filing: 1956-05-03
•
Granted: 1958-11-18
•
Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Rufus W Wilson
- 👤 John C Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:46
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1387163A
Cited
US2168624A
Cited
GB534578A
Cited
US2248080A
Cited
US2391503A
Cited
US2491044A
Cited
US2628733A
Cited
US2661108A
Cited
US2727638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |