US2248372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: FIRST CENTRAL TRUST Co
•
Filing: 1939-01-11
•
Granted: 1941-07-08
•
Expires: 1959-01-11
Abstract
No abstract record available.
Inventors
- 👤 Carl A May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:33
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/06; E05D11/00; E05D11/04; E05D7/0009; E05D7/0018; E05D7/0045; E05D7/0054; E05D2011/045; E05D5/00; E05D5/10; E05D5/14; E05D5/16
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) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |