US3445320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor covering
Assignee: Individual
•
Filing: 1965-05-05
•
Granted: 1969-05-20
•
Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 Horace Boivin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; D06N7/0047; D06N7/0049; D06N7/0052; D06N7/0055; Y; Y10; Y10S; Y10S428/00; Y10S428/909; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2750300A
Cited
US2875087A
Cited
US3002868A
Cited
US3049459A
Cited
US3157561A
Cited
US3142580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |