Patent US2497066A successfully refreshed from Google Patents.
US2497066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making condensers
Assignee: Individual
•
Filing: 1944-04-14
•
Granted: 1950-02-14
•
Expires: 1964-04-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:09
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1706816A
Cited
US2174840A
Cited
US1751213A
Cited
US1895376A
Cited
US1934192A
Cited
US1947112A
Cited
US1966163A
Cited
US2166180A
Cited
US2346658A
Cited
US2293951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |