US2940298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement dispensing device
Assignee: Individual
•
Filing: 1956-05-29
•
Granted: 1960-06-14
•
Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:55
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G2021/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA493463A
Cited
US1423316A
Cited
US1559666A
Cited
US2341691A
Cited
US2381263A
Cited
US2591377A
Cited
US2683981A
Cited
US2674116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |