US3514013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rupture port sleeves
Assignee: Flowserve Corp
•
Filing: 1968-07-26
•
Granted: 1970-05-26
•
Expires: 1988-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wolf
- 👤 Rush B Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:01
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US328008A
Cited
US2692066A
Cited
US3093151A
Cited
US3018127A
Cited
US3109555A
Cited
US3402691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |