US2532699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing composition
Assignee: AT&T Inc
•
Filing: 1947-12-03
•
Granted: 1950-12-05
•
Expires: 1967-12-03
Abstract
No abstract record available.
Inventors
- 👤 Coste John B De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:20
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306; C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A COMPOSITION COMPRISING FROM ABOUT 50 PER CENT TO ABOUT 94 PER CENT OF A VISCOUS LIQUID POLYBUTENE, FROM ABOUT 5 PER CENT TO ABOUT 30 PER CENT OF HYDROGENATED ROSIN, AND FROM ABOUT 1 PER CENT TO ABOUT 10 PER CENT OF AN AMIDE WAX SOLUBLE IN SAID COMPOSITION AT ELEVATED TEMPERATURES.
Claim 2
Dependent Claim
53 words
A COMPOSITION COMPRISING FROM ABOUT 50 PER CENT TO ABOUT 94 PER CENT OF A VISCOUS LIQUID POLYBUTENE, FROM ABOUT 5 PER CENT TO ABOUT 30 PER CENT OF HYDROGENATED ROSIN, AND FROM ABOUT 1 PER CENT TO ABOUT 10 PER CENT OF AN AMIDE WAX SOLUBLE IN SAID COMPOSITION AT ELEVATED TEMPERATURES.
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |