US2986149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor mat cleaning machine
Assignee: JACK FLAPAN
•
Filing: 1958-04-21
•
Granted: 1961-05-30
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Russel Van Brakel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:31
CPC Classifications
D; D06; D06G; D06G1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392082A
Cited
US1104498A
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US1809642A
Cited
US1930575A
Cited
US2304592A
Cited
US2651065A
Cited
US2785560A
Cited
US2807686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |