US2699259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter movable to by-pass position
Assignee: ITT Bell and Gossett Inc
•
Filing: 1952-05-15
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Granted: 1955-01-11
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Expires: 1972-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henry P Birkemeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:51
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/24; B; B01; B01D; B01D35/00; B01D35/14; B01D35/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB294706A
Cited
US1696366A
Cited
US2145535A
Cited
US2220706A
Cited
US2275750A
Cited
FR874230A
Cited
US2563786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |