US3035757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling a plurality of compressors
Assignee: Westinghouse Air Brake Co
•
Filing: 1958-03-17
•
Granted: 1962-05-22
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Wallace F Poore
- 👤 Harry C May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:26
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1672681A
Cited
US1785480A
Cited
US1828696A
Cited
US2029765A
Cited
US2177083A
Cited
US2295775A
Cited
US2782350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |