US2916112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal window construction
Assignee: F C RUSSELL Co
•
Filing: 1957-03-08
•
Granted: 1959-12-08
•
Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Kiehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/62; E06B3/00; E06B3/04; E06B3/26; E06B3/2605; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/2615; E06B2003/4438; E06B2003/4453; E06B2003/4492; F; F16; F16B; F16B2200/00; F16B2200/65
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |