US3240655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane foam under textile fabric
Assignee: Honeywell International Inc
•
Filing: 1961-04-21
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Granted: 1966-03-15
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 Walter D Voelker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
B; B29; B29C; B29C66/00; B29C44/00; B29C44/20; B29C44/32; B29C44/326; B29C65/00; B29C65/02; B29C65/14; B29C65/1403; B29C65/1412; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B32; B32B; B32B27/00; B29C66/721
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |