Patent US3544116A successfully refreshed from Google Patents.
US3544116A
Expired / Lapsed
US
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Fluid sealing arrangement
Assignee: Ingersoll Rand Co
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Filing: 1967-11-02
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Granted: 1970-12-01
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Expires: 1987-11-02
Abstract
No abstract record available.
Inventors
- 👤 Carl R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:15
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/40; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/106; F04D29/108; F04D29/12; F04D29/126; F04D29/128; F05; F05D; F05D2260/00; F05D2260/60; F05D2260/602; F05D2260/6022; Y; Y10; Y10S; Y10S277/00; Y10S277/904; Y10S277/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |