US2831156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifying alternator
Assignee: AERMOTIVE EQUIPMENT Corp
•
Filing: 1955-02-02
•
Granted: 1958-04-15
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Victor M Mathews
- 👤 Richard W Fetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:33
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1427; H; H02; H02K; H02K99/00; H02K99/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1104257A
Cited
US2659044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |