US3468041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor-driven snow blower
Assignee: AIRCAP REALTY ASSOCIATES
•
Filing: 1966-04-04
•
Granted: 1969-09-23
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Charles A Mattson
- 👤 Alvin Romin Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:37
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1508716A
Cited
US2521262A
Cited
GB659967A
Cited
US2769255A
Cited
US2708819A
Cited
US2759321A
Cited
GB891499A
Cited
US3253356A
Cited
US3267594A
Cited
US3271939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |