US2606046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid packing seal
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1949-12-01
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Granted: 1952-08-05
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Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Frank E Bonner
- 👤 Nack Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:56
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/168; F16J15/46; Y; Y10; Y10S; Y10S277/00; Y10S277/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |