US2700801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sashless window structure and lock
Assignee: Individual
•
Filing: 1951-02-13
•
Granted: 1955-02-01
•
Expires: 1971-02-13
Abstract
No abstract record available.
Inventors
- 👤 Pierson Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0823; E05D; E05D13/00; E05D13/04; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0937; Y10T292/0938; Y10T292/0944; Y10T292/1043; Y10T292/1063; Y10T292/1064; Y10T292/1072
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) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |