US2784017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face to face seal
Assignee: ROBERT V MAHER
•
Filing: 1952-01-19
•
Granted: 1957-03-05
•
Expires: 1972-01-19
Abstract
No abstract record available.
Inventors
- 👤 Peter D Bermingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:01
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972565A
Cited
US1891706A
Cited
US2023898A
Cited
US2167669A
Cited
GB584264A
Cited
GB588471A
Cited
US2526590A
Cited
US2584679A
Cited
US2600433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |