US2845154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash construction
Assignee: Individual
•
Filing: 1954-10-05
•
Granted: 1958-07-29
•
Expires: 1974-10-05
Abstract
No abstract record available.
Inventors
- 👤 Duffield Brainard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:21
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/60; E06B3/605; E04; E04B; E04B2/00; E04B2/88; E04B2/96; E04B2/967; E06B1/00; E06B1/04; E06B1/36; E06B1/40; F; F16; F16B; F16B5/00; F16B5/02; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |