Patent US2618939A successfully refreshed from Google Patents.
US1599985A
Expired / Lapsed
US
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Jamb-supporting stay for door and window frames
Assignee: Individual
•
Filing: 1925-12-04
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Granted: 1926-09-14
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Expires: 1945-12-04
Abstract
No abstract record available.
Inventors
- 👤 Emil B Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:12
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/56; E06B1/60; E06B1/6015; Y; Y10; Y10S; Y10S52/00; Y10S52/06; Y10T; Y10T403/00; Y10T403/49; Y10T403/4958; Y10T403/71; Y10T403/7123
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) | 1929-09-13 | 1930-03-15 | 1930-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-13 | 1934-03-15 | 1934-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-13 | 1938-03-15 | 1938-09-14 | $7700.00 | Window Closed / Lapsed |