Patent US3441464A successfully refreshed from Google Patents.
US3441464A
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Carpet underlay and method of making the same
Assignee: Reeves Brothers Inc
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Filing: 1966-12-28
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Granted: 1969-04-29
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Blue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:17
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/02; B32B5/06; B32B27/00; B32B27/06; B32B27/065; B32B27/30; B32B5/022; B32B5/024; B32B5/08; B32B5/22; B32B5/24; B32B5/245; B32B5/26; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/0261; B32B2262/0276; B32B2262/04; B32B2262/10; B32B2262/101; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2307/00; B32B2307/50; B32B2307/546; B32B2307/70; B32B2307/732; B32B2307/734; B32B2471/00; B32B2471/02; B32B5/18; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/249921; Y10T428/249953; Y10T428/24996; Y10T428/249962; Y10T428/249964; Y10T428/249965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |