US2976393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor coverings, underfelts, underlays and the like
Assignee: Individual
•
Filing: 1958-09-05
•
Granted: 1961-03-21
•
Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Illingworth Alec Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/36; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/014; H05B2203/017; H05B2203/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2613306A
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US2612585A
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US2600485A
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US2674683A
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US2715674A
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US2845519A
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US2771537A
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US2822575A
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US2802091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |