US1388831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane or davit
Assignee: AMERICAN BALSA Co Inc
•
Filing: 1919-08-11
•
Granted: 1921-08-23
•
Expires: 1939-08-11
Abstract
No abstract record available.
Inventors
- 👤 Harry W Broady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:28
CPC Classifications
B; B63; B63B; B63B23/00; B63B23/02; B63B23/04; B63B23/06; B63B23/10; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C2700/00; B66C2700/03; B66C2700/0392
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) | 1924-08-22 | 1925-02-21 | 1925-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-22 | 1929-02-21 | 1929-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-22 | 1933-02-21 | 1933-08-23 | $7700.00 | Window Closed / Lapsed |