Patent US3291619A successfully refreshed from Google Patents.
US3291619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic products and process of making same
Assignee: FRENCHTOWN AMERICAN Corp A CORP OF NJ
•
Filing: —
•
Granted: 1966-12-13
•
Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:17
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3206; C04B2235/34; C04B2235/3418; C04B2235/70; C04B2235/74; C04B2235/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A FIRED CERAMIC BODY CONSISTING ESSENTIALLY OF, BY WEIGHT:
Claim 2
Dependent Claim
9 words
A FIRED CERAMIC BODY CONSISTING ESSENTIALLY OF, BY WEIGHT:
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |