US3482844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal
Assignee: Chicago Rawhide Manufacturing Co Inc
•
Filing: 1967-11-03
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Granted: 1969-12-09
•
Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert Mckinven Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:33
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16J15/3264; F16J15/3204; F16J15/3232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3022081A
Cited
US3021161A
Cited
US3179424A
Cited
US3163476A
Cited
US3275333A
Cited
US3363911A
Cited
US3341265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |