US2835936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible wood floor tiles
Assignee: Individual
•
Filing: 1953-10-29
•
Granted: 1958-05-27
•
Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Elmendorf Armin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/022; E04F15/04; E04F15/041; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/24; Y10T428/24355; Y10T428/24438; Y10T428/24471; Y10T428/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US382852A
Cited
US1578020A
Cited
US1825877A
Cited
US2045382A
Cited
US2118841A
Cited
US2661511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |