US3197315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory composition and method for producing same
Assignee: S Obermayer Co
•
Filing: 1962-10-03
•
Granted: 1965-07-27
•
Expires: 1982-10-03
Abstract
No abstract record available.
Inventors
- 👤 Louis J Jacobs
- 👤 Carl J Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A NON-STICKY, FREE-FLOWING REFRACTORY GUNNING COMPOSITION CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
9 words
A NON-STICKY, FREE-FLOWING REFRACTORY GUNNING COMPOSITION CONSISTING ESSENTIALLY OF:
References Cited (Backward Citations)
US2870032A
Cited
US3080243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |