US2677007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer and separator mats for storage batteries
Assignee: Owens Corning
•
Filing: 1949-02-03
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Granted: 1954-04-27
•
Expires: 1969-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jensen Meredith St George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/44; H01M50/403; H01M50/431; H01M50/434; H01M50/437; H01M50/449; H01M50/457; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A RETAINER MAT FOR BATTERY PLATES INCLUDING, IN COMBINATION, A GROUP OF GLASS FIBERS, MEANS FOR SECURING SAID FIBERS IN INTEGRATED CONDITION, A QUANTITY OF GLASS FIBERS SILVER DISPOSED ON THE GROUP OF GLASS FIBERS WITH THE FLAMENTS OF THE SILVER ARRANGED IN SUBSTANTIALLY PARALLEL RELATION, SAID SILVER BEING ADHESIVELY JOINED RELAGROUP OF FIBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |