Patent US3036019A successfully refreshed from Google Patents.
US3036019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modification of silicon-nitrogen containing compounds
Assignee: Richardson Co
•
Filing: 1958-11-03
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Granted: 1962-05-22
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Hyman M Molotsky
- 👤 William M Boyer
- 👤 Jr Harlan E Tarbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:35
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C08G77/62; G; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/49; G05B2219/49013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS OF PREPARING A COMPOSITION OF MATTER WHICH COMPRISES REACTING: (A) THE POLYMERIC REACTION PRODUCT OF AMMONIA AND A MIXTURE OF HALOSILANES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
27 words
A PROCESS OF PREPARING A COMPOSITION OF MATTER WHICH COMPRISES REACTING: (A) THE POLYMERIC REACTION PRODUCT OF AMMONIA AND A MIXTURE OF HALOSILANES HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |