US1200796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-limiting device.
Assignee: AT&T Inc
•
Filing: 1915-09-03
•
Granted: 1916-10-10
•
Expires: 1935-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harold D Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/04; G05F3/06; H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/06; H02M5/08
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) | 1919-10-10 | 1920-04-10 | 1920-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-10-10 | 1924-04-10 | 1924-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-10-10 | 1928-04-10 | 1928-10-10 | $7700.00 | Window Closed / Lapsed |