US1361136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machine
Assignee: BURKE ELECTRIC Co
•
Filing: 1917-02-06
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Granted: 1920-12-07
•
Expires: 1937-02-06
Abstract
No abstract record available.
Inventors
- 👤 Burke James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:58
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/18; H02K1/185; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49075; Y10T29/49078
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) | 1923-12-07 | 1924-06-07 | 1924-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-07 | 1928-06-07 | 1928-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-07 | 1932-06-07 | 1932-12-07 | $7700.00 | Window Closed / Lapsed |