US1531595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator
Assignee: MORRISON CHAIX CO
•
Filing: 1923-04-24
•
Granted: 1925-03-31
•
Expires: 1943-04-24
Abstract
No abstract record available.
Inventors
- 👤 Leon G Chaix
- 👤 Eugene L Chaix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:21
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/20; H02M1/22
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) | 1928-03-30 | 1928-09-29 | 1929-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-30 | 1932-09-29 | 1933-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-30 | 1936-09-29 | 1937-03-31 | $7700.00 | Window Closed / Lapsed |