Patent US2532369A successfully refreshed from Google Patents.
US2532369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic waxlike materials
Assignee: ATK Launch Systems LLC
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Filing: 1947-07-24
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Granted: 1950-12-05
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Expires: 1967-07-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Patrick
- 👤 Franklin O Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08G75/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
PROCESS WHICH COMPRISES REACTING AN ALKALINE POLYSULFIDE REAGENT CONTAINING A MERCAPTIDE CHAIN STOPPER AND CONSTITUTING A POLYSULFIDE REAGENT CORRESPONDING IN EFFECTIVE SULFUR CONTENT TO AN ALKALINE POLYSULFIDE HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
PROCESS WHICH COMPRISES REACTING AN ALKALINE POLYSULFIDE REAGENT CONTAINING A MERCAPTIDE CHAIN STOPPER AND CONSTITUTING A POLYSULFIDE REAGENT CORRESPONDING IN EFFECTIVE SULFUR CONTENT TO AN ALKALINE POLYSULFIDE HAVING THE FORMULA
References Cited (Backward Citations)
CH136287A
Cited
US1890191A
Cited
US1923392A
Cited
US2216044A
Cited
US2392402A
Cited
US2273471A
Cited
US2411275A
Cited
US2406260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |