US3244541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellent compositions and methods of making same
Assignee: 29 WEST FIFTEENTH STREET Corp
•
Filing: 1961-02-03
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Granted: 1966-04-05
•
Expires: 1981-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Fain
- 👤 Mcdonnell Edward
- 👤 Blaufox Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/4922; C04B41/4933; C04B41/80; C04B41/81; C04B41/82; C04B41/84; C08; C08G; C08G77/00; C08G77/48; C08G77/58; C08G79/00; C09; C09D; C09D185/00; C09K; C09K3/00; C09K3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A COMPOSITION CAPABLE OF FORMING TRANSPARENT, WATERREPELLENT FILMS CONSISTING OF AN ALKYL ALKOXY SILANE SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
20 words
A COMPOSITION CAPABLE OF FORMING TRANSPARENT, WATERREPELLENT FILMS CONSISTING OF AN ALKYL ALKOXY SILANE SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2834693A
Cited
US2962390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |