US3736172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method to prevent condensate accumulation on a surface
Assignee: Individual
•
Filing: 1971-08-23
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Granted: 1973-05-29
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Expires: 1991-08-23
Abstract
Abstract THE INTERIOR SURFACE OF A PLASTIC ENCLOSURE HAVING THEREIN A HIGH HUMIDITY, SUCH AS A PLASTIC GREENHOUSE OR POOL ENCLOSURE, IS COATED TO PREVENT DRIPPING OF CONDENSATE. THE METHOD CONSISTS OF COATING THE INTERIOR SURFACE WITH A DILUTE AQUEOUS DISPERSION OF A SURFACTANT AND COLLOIDAL ALUMINA.
Inventors
- 👤 R Delano
- 👤 C Raseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:14
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; C08J7/044; C08J7/054; C09; C09K; C09K3/00; C09K3/18; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |