Patent US2705772A successfully refreshed from Google Patents.
US2705772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating generator
Assignee: BREV SOC D EXPL DE
•
Filing: 1951-05-14
•
Granted: 1955-04-05
•
Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 Petit Jean Francois Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:21
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |