US1647263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier
Assignee: AT&T Inc
•
Filing: 1924-05-30
•
Granted: 1927-11-01
•
Expires: 1944-05-30
Abstract
No abstract record available.
Inventors
- 👤 Blount Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:28
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/02; B65D19/06; B65D19/08; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00024; B65D2519/00049; B65D2519/00059; B65D2519/00154; B65D2519/00164; B65D2519/00223; B65D2519/00233; B65D2519/00258; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00328; B65D2519/00333; B65D2519/00492; B65D2519/00502; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00567; B65D2519/00577; B65D2519/00582; B65D2519/00606; B65D2519/00671; B65D2519/00701; B65D2519/00736; B65D2519/0098; B65D2519/00995
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) | 1930-10-31 | 1931-05-02 | 1931-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-31 | 1935-05-02 | 1935-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-31 | 1939-05-02 | 1939-11-01 | $7700.00 | Window Closed / Lapsed |