US1206260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical transformer.
Assignee: Westinghouse Electric Corp
•
Filing: 1916-09-01
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Granted: 1916-11-28
•
Expires: 1936-09-01
Abstract
No abstract record available.
Inventors
- 👤 Alf Schaanning
- 👤 George Harlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:45
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70; H10W40/73
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) | 1919-11-28 | 1920-05-29 | 1920-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-28 | 1924-05-29 | 1924-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-28 | 1928-05-29 | 1928-11-28 | $7700.00 | Window Closed / Lapsed |