Patent US1608671A successfully refreshed from Google Patents.
US1608671A
Expired / Lapsed
US
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Double-hung window and like construction
Assignee: RELIANCE FIREPROOF DOOR Co
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Filing: 1922-10-26
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Granted: 1926-11-30
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Expires: 1942-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jacob A Rappaport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:52
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4453; Y; Y10; Y10S; Y10S160/00; Y10S160/12
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) | 1929-11-29 | 1930-05-31 | 1930-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-29 | 1934-05-31 | 1934-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-29 | 1938-05-31 | 1938-11-30 | $7700.00 | Window Closed / Lapsed |