US1940685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: Individual
•
Filing: 1930-07-17
•
Granted: 1933-12-26
•
Expires: 1950-07-17
Abstract
No abstract record available.
Inventors
- 👤 Percy E Lenfestey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:04
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/043; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/021; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/086; Y10T292/0911; Y10T292/0921; Y10T292/0922; Y10T292/0925; Y10T292/1039; Y10T292/1041; Y10T292/28; Y10T292/285; Y10T292/288; Y10T292/68; Y10T292/696; Y10T292/702
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) | 1936-12-25 | 1937-06-26 | 1937-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-25 | 1941-06-26 | 1941-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-25 | 1945-06-26 | 1945-12-26 | $7700.00 | Window Closed / Lapsed |