US1916701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile boring and facing machine
Assignee: RAYMOND CONCRETE PILE CO
•
Filing: 1931-06-06
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Granted: 1933-07-04
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Expires: 1951-06-06
Abstract
No abstract record available.
Inventors
- 👤 Elihu D Watt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:02
CPC Classifications
B; B27; B27C; B27C3/00; B27C1/00; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/352; Y10T408/89; Y10T408/892
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |