Patent US2828149A successfully refreshed from Google Patents.
US2828149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stuffing box with a split internal sleeve member
Assignee: Individual
•
Filing: 1954-08-04
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Granted: 1958-03-25
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Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Deventer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:19
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/24; F16B; F16B9/00; F16B9/05; F16B9/054; F16B9/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US674325A
Cited
GB190104003A
Cited
US725368A
Cited
US722269A
Cited
US721710A
Cited
US798199A
Cited
US1848328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |