Patent US2516684A successfully refreshed from Google Patents.
US2516684A
Expired / Lapsed
US
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Pneumatic cement-applying apparatus
Assignee: Individual
•
Filing: 1947-12-11
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Granted: 1950-07-25
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Expires: 1967-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert M Doull
- 👤 Radonich Marko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:11
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/02; B28C5/026; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |