US1457006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforced concrete vessel
Assignee: Individual
•
Filing: 1918-01-02
•
Granted: 1923-05-29
•
Expires: 1938-01-02
Abstract
No abstract record available.
Inventors
- 👤 John T Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/14; B63B3/62; B63B3/16; B63B3/20; B63B5/00; B63B5/14; B63B5/16
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) | 1926-05-28 | 1926-11-27 | 1927-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-28 | 1930-11-27 | 1931-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-28 | 1934-11-27 | 1935-05-29 | $7700.00 | Window Closed / Lapsed |