Patent US2776914A successfully refreshed from Google Patents.
US2776914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated stone aggregate
Assignee: Individual
•
Filing: 1954-07-08
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Granted: 1957-01-08
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Expires: 1974-07-08
Abstract
No abstract record available.
Inventors
- 👤 Roy C Faulwetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:04
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/10; C04B20/1018; C04B20/1029; C04B20/1033
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
STONE AGGREGATE PARTICLES TO BE USED IN A CONCRETE MIXTURE COATED WITH A RESIN MIXTURE, SAID RESIN MIXTURE INCLUDING A CHLORINATED RUBBER, CHLORINATED POLYPHENYL, AND CHLORINATED BIPHENYL.
References Cited (Backward Citations)
US1884471A
Cited
US1972390A
Cited
US2059983A
Cited
US2092903A
Cited
US2491487A
Cited
US2559664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |