US2779690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming surface films
Assignee: Libbey Owens Ford Glass Co
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Filing: 1950-06-30
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Granted: 1957-01-29
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Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:35
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0463; B05B13/0468; B05B13/0473; B05B16/00; B05B16/90; B05B16/95; B05B7/00; B05B7/16; B05B7/168; C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; F; F27; F27B; F27B9/00; F27B9/06; F27B9/062; F27B9/063; F27B9/08; F27B9/082; F27B9/14; F27B9/20; F27B9/24; F27B9/2407; F27B9/30; F27D; F27D3/00; F27D3/02; F27D3/026; F27D3/18; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/152
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
THE METHOD OF SPRAYING A SELECTED SURFACE, COMPRISING DELIVERING A HYDROLYZABLE VOLATILE HALIDE AND MOIST AIR INTO ONE END OF A HOLLOW ELONGATED CHAMBER FROM SEPARATE SOURCES AND AT AN ANGLE TO ONE ANOTHER, MIXING SAID MATERIALS WHEREBY A CHEMICAL REACTION TAKES PLACE, APPLYING HEAT TO THE CHAMBER SUBSTANTIALL SIMULATANEOUSLY THROUGHOUT THE ENTIRE LENGTH THEREOF, AND EMITTING THE RESULTING PRODUCTS AS A SPRAY FROM THE OPPOSITE END OF THE CHAMBER AND AGAINST THE SELECTED SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |