US2255529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: FIRST CENTRAL TRUST Co
•
Filing: 1938-05-21
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Granted: 1941-09-09
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Expires: 1958-05-21
Abstract
No abstract record available.
Inventors
- 👤 Carl A May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/0009; E05D7/0018; E05D11/00; E05D11/04; E05D7/0045; E05D7/0054; E05D7/06; E05D2011/045; E05D5/00; E05D5/10; E05D5/14; E05D5/16; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
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) | 1944-09-08 | 1945-03-10 | 1945-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-08 | 1949-03-10 | 1949-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-08 | 1953-03-10 | 1953-09-09 | $7700.00 | Window Closed / Lapsed |