US1204507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical protective device.
Assignee: Westinghouse Electric Corp
•
Filing: 1913-11-28
•
Granted: 1916-11-14
•
Expires: 1933-11-28
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Smith
- 👤 Paul Macgahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:22
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/04; H02; H02H; H02H3/00; H02H3/08
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) | 1919-11-14 | 1920-05-15 | 1920-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-14 | 1924-05-15 | 1924-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-14 | 1928-05-15 | 1928-11-14 | $7700.00 | Window Closed / Lapsed |