US2902909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drag-plough for use on roads and highways
Assignee: Individual
•
Filing: 1956-10-09
•
Granted: 1959-09-08
•
Expires: 1976-10-09
Abstract
No abstract record available.
Inventors
- 👤 Reissinger Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:41
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1247999A
Cited
US1462120A
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FR579490A
Cited
US1588837A
Cited
US1709711A
Cited
GB334568A
Cited
US1998634A
Cited
US2182217A
Cited
US2221906A
Cited
US2453510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |