US1353658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machine
Assignee: Individual
•
Filing: 1916-12-18
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Granted: 1920-09-21
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Expires: 1936-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jaroslaw K Kostko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/18; H02K1/185; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2142; 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) | 1923-09-21 | 1924-03-22 | 1924-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-21 | 1928-03-22 | 1928-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-21 | 1932-03-22 | 1932-09-21 | $7700.00 | Window Closed / Lapsed |