US2852676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage train generating device
Assignee: Individual
•
Filing: 1955-02-15
•
Granted: 1958-09-16
•
Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Ivan L Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:13
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0215; B06B2201/00; B06B2201/30; B06B2201/50; B06B2201/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412631A
Cited
US2713639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |