US3470016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bitumen-impregnated-foam material
Assignee: Monsanto Co
•
Filing: 1965-12-13
•
Granted: 1969-09-30
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 James R Biles
- 👤 Wendell E Brennan
- 👤 Stephen H Alexander
- 👤 Edgar E Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
C; C08; C08L; C08L95/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249958; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2888407A
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US2972554A
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US2964424A
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US2993813A
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US3278329A
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US3257336A
Cited
US3222208A
Cited
US3326810A
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 |