Patent US3455772A successfully refreshed from Google Patents.
US3455772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven reinforced blown rubber underpad
Assignee: Recticel Foam Corp
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Filing: 1964-08-18
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Granted: 1969-07-15
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Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Austin B Mason
- 👤 Robert C Wilkie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:28
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0437; A47G27/0468; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0089; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2922; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/195
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |