Patent US3307973A successfully refreshed from Google Patents.
US3307973A
Expired / Lapsed
US
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Dialkylstannoxy organometallic compounds and condensation products
Assignee: Akzo Nobel Paints LLC
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Filing: 1964-01-17
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Granted: 1967-03-07
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Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Ambrose J Gibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:46
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/24; C08G18/242; C07; C07F; C07F7/00; C07F7/22; C07F7/226; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31971; Y10T428/31993; Y10T428/31996; Y10T442/00; Y10T442/20; Y10T442/2164
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
THE METHOD OF RENDERING CELLULOSIC WEBS WATER-REPELLENT COMPRISING CONTACTING SAID CELLULOSIC WEB WITH A SOLUTION OF AN ORGANOMETALLIC COMPOUND TO THE FORMULA
References Cited (Backward Citations)
US2597920A
Cited
US2867641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |