US3427939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory compacter
Assignee: Allied Steel and Tractor Products Inc
•
Filing: 1965-09-13
•
Granted: 1969-02-18
•
Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Braff
- 👤 Richard L Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:36
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223024A
Cited
US2921475A
Cited
DE930677C
Cited
FR1106435A
Cited
US3001458A
Cited
US3181442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |