US2651404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for applying coatings
Assignee: United Concrete Pipe Corp
•
Filing: 1948-04-02
•
Granted: 1953-09-08
•
Expires: 1968-04-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/10; B; B24; B24C; B24C5/00; B24C7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474412A
Cited
US539296A
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US629102A
Cited
US680261A
Cited
US1576366A
Cited
US1800890A
Cited
US2128845A
Cited
US2430082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |