US3198656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color coated cellular inorganic aggregate
Assignee: COLORLITE Co
•
Filing: 1962-11-19
•
Granted: 1965-08-03
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Richard B Harlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:50
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/10; C04B20/1055; C04B20/1074; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1766815A
Cited
US1943858A
Cited
US1970471A
Cited
US2054317A
Cited
US2004682A
Cited
US2010620A
Cited
US2001448A
Cited
US2202002A
Cited
US2259879A
Cited
US2331869A
Cited
US2439650A
Cited
US2478757A
Cited
US2493198A
Cited
US2987411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |