US3470115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making non-shrinking urea-formaldehyde foams
Assignee: Honeywell International Inc
•
Filing: 1965-08-27
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Granted: 1969-09-30
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 William P Moore Jr
- 👤 Rob R Macgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08J3/00; C08J3/12; C08J3/14; C08J2361/00; C08J2361/20; C08J2361/22; C08J2361/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2076295A
Cited
US2559891A
Cited
US2813780A
Cited
GB801404A
Cited
US2970120A
Cited
US3006871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |