US3352720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric depolarizers
Assignee: Individual
•
Filing: 1964-03-09
•
Granted: 1967-11-14
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Wilson
- 👤 Elizabeth A Mcelhill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:08
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M4/00; H01M4/02; H01M4/36; H01M4/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A VOLTAIC CELL COMPRISING AN ANODE MATERIAL, A CATHODE DEPOLARIZER MATERIAL, AND AN ELECTROLYTE, IN WHICH SAID CATHODE DEPOLARIZER MATERIAL IS A COMPLEX COMPOUND OF HALOGEN MOLECULES WITH THE NITROGEN ATOMS OF A POLYMERIC AMINE IN WHICH THE NITROGEN-CONTAINING REPEATING UNITS CONTAIN AMINO NITROGEN ATOMS WITH A DEGREE OF SUBSTITUTION GREATER THAN SECONDARY, WHEREIN SAID NITROGEN ATOMS ARE PART OF AN AROMATICALLY UNSATURATED HETEROCYCLIC RING.
Claim 2
Dependent Claim
65 words
A VOLTAIC CELL COMPRISING AN ANODE MATERIAL, A CATHODE DEPOLARIZER MATERIAL, AND AN ELECTROLYTE, IN WHICH SAID CATHODE DEPOLARIZER MATERIAL IS A COMPLEX COMPOUND OF HALOGEN MOLECULES WITH THE NITROGEN ATOMS OF A POLYMERIC AMINE IN WHICH THE NITROGEN-CONTAINING REPEATING UNITS CONTAIN AMINO NITROGEN ATOMS WITH A DEGREE OF SUBSTITUTION GREATER THAN SECONDARY, WHEREIN SAID NITROGEN ATOMS ARE PART OF AN AROMATICALLY UNSATURATED HETEROCYCLIC RING.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |