US3216849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of cellular foam
Assignee: Motors Liquidation Co
•
Filing: 1963-04-04
•
Granted: 1965-11-09
•
Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 James W Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:11
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/60; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0855; Y; Y10; Y10S; Y10S521/00; Y10S521/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF MAKING CELLULAR FOAM MATERIAL WHICH INCLUDES DEPOSITING FOAM FORMING MATERIALS ONTO A MOVING SHEET, CONTINUING THE MOVEMENT OF THE SHEET AFTER THE FOAM-FORMING MATERIALS HAVE BEEN DEPOSITED THEREON, DIRECTING MICROWAVE ENERGY INTO THE FOAMFORMING MATERIALS AS THEY MOVE WITH THE SHEET TO SUBSTANTIALLY IMPROVE AND MAKE MORE UNIFORM THE FORMING OF THE CELLULAR FOAM, AND ABSORBING ANY MICROWAVE ENERGY EMERGING FROM THE FOAM.
Claim 2
Independent Claim
66 words
THE METHOD OF MAKING CELLULAR FOAM MATERIAL WHICH INCLUDES DEPOSITING FOAM FORMING MATERIALS ONTO A MOVING SHEET, CONTINUING THE MOVEMENT OF THE SHEET AFTER THE FOAM-FORMING MATERIALS HAVE BEEN DEPOSITED THEREON, DIRECTING MICROWAVE ENERGY INTO THE FOAMFORMING MATERIALS AS THEY MOVE WITH THE SHEET TO SUBSTANTIALLY IMPROVE AND MAKE MORE UNIFORM THE FORMING OF THE CELLULAR FOAM, AND ABSORBING ANY MICROWAVE ENERGY EMERGING FROM THE FOAM.
References Cited (Backward Citations)
US2504754A
Cited
US2603741A
Cited
US2586275A
Cited
US2738406A
Cited
US2866730A
Cited
US2962407A
Cited
US3037897A
Cited
US2956310A
Cited
GB910090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |