US2949376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for glass to metal seal
Assignee: Motors Liquidation Co
•
Filing: 1956-02-02
•
Granted: 1960-08-16
•
Expires: 1976-02-02
Abstract
No abstract record available.
Inventors
- 👤 Richard L Comer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:35
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C27/00; C03C27/02; C03C3/076; C03C3/102; C03C3/108
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A GLASS FOR USE IN GLASS-TO-METAL SEALS HAVING A COMPOSITION SHOWING UPON ANALYSIS: PERCENT SIO2 ------------------------------------- 30 TO 60. AL2O3 ------------------------------------ 3 TO 60. B2O3 ------------------------------------- 15 TO 22. PBO -------------------------------------- 20 TO 30. ALKALINE OXIDE ---------------------------- 5 TO 12. CO3O4 ------------ PRESENT IN AN AMOUNT UP TO 1. MN3O4 ALKALINE EARTH OXIDE ------ PRESENT IN ANMOUNT UP TO 3. TIO2 ----------------- PRESENT IN AMOUNT UP TO 2.
Claim 2
Dependent Claim
68 words
A GLASS FOR USE IN GLASS-TO-METAL SEALS HAVING A COMPOSITION SHOWING UPON ANALYSIS: PERCENT SIO2 ------------------------------------- 30 TO 60. AL2O3 ------------------------------------ 3 TO 60. B2O3 ------------------------------------- 15 TO 22. PBO -------------------------------------- 20 TO 30. ALKALINE OXIDE ---------------------------- 5 TO 12. CO3O4 ------------ PRESENT IN AN AMOUNT UP TO 1. MN3O4 ALKALINE EARTH OXIDE ------ PRESENT IN ANMOUNT UP TO 3. TIO2 ----------------- PRESENT IN AMOUNT UP TO 2.
References Cited (Backward Citations)
US1508455A
Cited
US2101114A
Cited
US2299750A
Cited
US2561520A
Cited
US2393448A
Cited
US2468868A
Cited
US2549504A
Cited
US2784532A
Cited
US2513958A
Cited
US2603915A
Cited
US2693423A
Cited
US2653877A
Cited
US2770923A
Cited
US2669808A
Cited
US2669807A
Cited
US2637797A
Cited
US2768475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |