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US2159666A
Expired / Lapsed
US
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Knock-down closure structure for windows and doors
Assignee: GIBSON PATENTS HOLDING Corp
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Filing: 1937-04-01
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Granted: 1939-05-23
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Expires: 1957-04-01
Abstract
No abstract record available.
Inventors
- 👤 Rudolph W Lotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/92; E06B3/96; E06B3/99; Y; Y10; Y10T; Y10T403/00; Y10T403/66
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |