US3413900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Groove filler
Assignee: Acme Highway Products Corp
•
Filing: 1966-09-30
•
Granted: 1968-12-03
•
Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Crone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/02; E01C23/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320222A
Cited
US3052945A
Cited
US3136022A
Cited
US3180238A
Cited
US3257916A
Cited
US3297294A
Cited
US3349675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |