US1663453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quay wall
Assignee: Individual
•
Filing: 1925-09-10
•
Granted: 1928-03-20
•
Expires: 1945-09-10
Abstract
No abstract record available.
Inventors
- 👤 Coke-Hill Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; E02B3/066; E02D; E02D29/00; E02D29/02; E02D29/0258; E02D29/0275
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) | 1931-03-20 | 1931-09-19 | 1932-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-20 | 1935-09-19 | 1936-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-20 | 1939-09-19 | 1940-03-20 | $7700.00 | Window Closed / Lapsed |