US2881485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stair carpet nosing
Assignee: Individual
•
Filing: 1956-08-29
•
Granted: 1959-04-14
•
Expires: 1976-08-29
Abstract
No abstract record available.
Inventors
- 👤 Hyman Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/104; E04F11/16; E04F11/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159042A
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US606532A
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US1162524A
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US1512592A
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US1630858A
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US1711471A
Cited
US1881734A
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US2274765A
Cited
US2205044A
Cited
US2449904A
Cited
US2512310A
Cited
US2694234A
Cited
US2827675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |