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US3466819A
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Drain construction for window sash and the like
Assignee: FC METAL Inc 650 WASHINGTON ROAD PITTSBURGH PA 15228 ACORP OF
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Filing: 1967-07-28
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Granted: 1969-09-16
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Expires: 1987-07-28
Abstract
No abstract record available.
Inventors
- 👤 Richard N Giger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:29
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7873
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB284981A
Cited
US2117581A
Cited
GB524253A
Cited
US2768643A
Cited
US3113587A
Cited
US3091008A
Cited
US3314201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |