US1654644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constructing piles
Assignee: Individual
•
Filing: 1923-07-28
•
Granted: 1928-01-03
•
Expires: 1943-07-28
Abstract
No abstract record available.
Inventors
- 👤 John B Goldsborough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:02
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/34; E02D5/38; E02D5/44; E02D5/66; E02D5/665; E02D7/00; E02D7/28; E02D7/30
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) | 1931-01-02 | 1931-07-04 | 1932-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-02 | 1935-07-04 | 1936-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-02 | 1939-07-04 | 1940-01-03 | $7700.00 | Window Closed / Lapsed |