US3452459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow disposal unit with electrical melting means
Assignee: EDWARD J CAMPION
•
Filing: 1966-01-19
•
Granted: 1969-07-01
•
Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edward J Campion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:41
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3106792A
Cited
US2364315A
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US2605760A
Cited
US2705844A
Cited
US2922015A
Cited
US3333354A
Cited
US3304632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |