Patent US3519249A successfully refreshed from Google Patents.
US3519249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel guard rail greaser
Assignee: Individual
•
Filing: 1968-12-03
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Granted: 1970-07-07
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Expires: 1988-12-03
Abstract
No abstract record available.
Inventors
- 👤 Vincent Nave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:42
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/04; E01F15/0407; E01F15/0423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2279942A
Cited
US2776116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |