US1334276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact-terminal bank
Assignee: AT&T Inc
•
Filing: 1916-03-31
•
Granted: 1920-03-23
•
Expires: 1936-03-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/02; H01H63/06; Y; Y10; Y10S; Y10S200/00; Y10S200/07; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-03-23 | 1923-09-22 | 1924-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-23 | 1927-09-22 | 1928-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-23 | 1931-09-22 | 1932-03-23 | $7700.00 | Window Closed / Lapsed |