US2393647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: HANCOCK Manufacturing CO
•
Filing: 1939-08-03
•
Granted: 1946-01-29
•
Expires: 1959-08-03
Abstract
No abstract record available.
Inventors
- 👤 Marple Rollo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:43
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/16; E05B83/24; Y; Y10; Y10S; Y10S292/00; Y10S292/14; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/306; Y10T292/308; Y10T292/42; Y10T292/444
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) | 1949-01-28 | 1949-07-30 | 1950-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-28 | 1953-07-30 | 1954-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-28 | 1957-07-30 | 1958-01-29 | $7700.00 | Window Closed / Lapsed |