Patent US3054253A successfully refreshed from Google Patents.
US3054253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case-bonding of double-base propellant grain by using silicone elastomers
Assignee: Individual
•
Filing: 1958-12-31
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Granted: 1962-09-18
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Paul K Chung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:03
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/12; C06B45/04; C06B45/06; C06B45/10; C08; C08L; C08L83/00; C09; C09J; C09J183/00; C09J183/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1453933A
Cited
US2122996A
Cited
US2563265A
Cited
US2539404A
Cited
US2736721A
Cited
US2877504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |