Patent US2886414A successfully refreshed from Google Patents.
Patent US2978264A successfully refreshed from Google Patents.
US2978264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Borg Warner Corp
•
Filing: 1956-09-12
•
Granted: 1961-04-04
•
Expires: 1976-09-12
Abstract
No abstract record available.
Inventors
- 👤 Henry H Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; F16J15/363
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1487567A
Cited
US1746068A
Cited
US1866967A
Cited
US1953383A
Cited
US1998790A
Cited
GB493573A
Cited
US2515410A
Cited
US2444249A
Cited
US2438457A
Cited
US2747901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |