Patent US1583416A successfully refreshed from Google Patents.
US1583416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration-responsive apparatus
Assignee: AT&T Inc
•
Filing: 1921-10-03
•
Granted: 1926-05-04
•
Expires: 1941-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:48
CPC Classifications
H; H04; H04R; H04R7/00; H04R7/26; H04R1/00; H04R1/20; H04R1/22; H04R1/222; H04R21/00; H04R21/02; H04R21/021
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-05-03 | 1929-11-02 | 1930-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-03 | 1933-11-02 | 1934-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-03 | 1937-11-02 | 1938-05-04 | $7700.00 | Window Closed / Lapsed |