Patent US1914258A successfully refreshed from Google Patents.
Patent US1352000A successfully refreshed from Google Patents.
US1352000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sunken-ship indicator
Assignee: Individual
•
Filing: 1919-07-16
•
Granted: 1920-09-07
•
Expires: 1939-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Joe Hlavaty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:56
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/04; B63B22/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1923-09-07 | 1924-03-08 | 1924-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-07 | 1928-03-08 | 1928-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-07 | 1932-03-08 | 1932-09-07 | $7700.00 | Window Closed / Lapsed |