Patent US1693551A successfully refreshed from Google Patents.
US1693551A
Expired / Lapsed
US
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Window construction
Assignee: Individual
•
Filing: 1928-02-07
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Granted: 1928-11-27
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Expires: 1948-02-07
Abstract
No abstract record available.
Inventors
- 👤 Frank X Graser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:31
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5072; E06B3/34; E06B3/42; E06B3/46; E06B3/4654; E05; E05D; E05D15/00; E05D15/56; E05D15/58; E05D2015/585; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/14
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) | 1931-11-27 | 1932-05-28 | 1932-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-27 | 1936-05-28 | 1936-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-27 | 1940-05-28 | 1940-11-27 | $7700.00 | Window Closed / Lapsed |