US2644725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement applying apparatus
Assignee: PILING Ltd
•
Filing: 1948-05-29
•
Granted: 1953-07-07
•
Expires: 1968-05-29
Abstract
No abstract record available.
Inventors
- 👤 Robert M Doull
- 👤 Radonich Marko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:19
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US528417A
Cited
US1379174A
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US699405A
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US1254393A
Cited
US1553539A
Cited
US1772244A
Cited
DE613056C
Cited
US2315079A
Cited
US2299565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |