Patent US4024385A successfully refreshed from Google Patents.
Patent US3345876A successfully refreshed from Google Patents.
US3345876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure indicator
Assignee: Individual
•
Filing: 1965-09-03
•
Granted: 1967-10-10
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Nathan D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:33
CPC Classifications
G; G01; G01L; G01L23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
PRESSURE INDICATING APPARATUS COMPRISING A BODY MEMBER, A BORE IN SAID BODY MEMBER, A RECESS AT THE END OF SAID BORE, AND A DISC MEMBER IN SAID BORE AND COVERING SAID RECESS, SAID DISC MEMBER COMPRISING MATERIAL WHICH IS PERMANENTLY DEFORMED WHEN SUBJECTED TO PRESSURE, AND SECURING MEANS IN SAID BORE ADMITTING PRESSURE TO SAID DISC AND SECURING SAID DISC IN PLACE ADJACENT TO SAID RECESS.
Claim 2
Dependent Claim
66 words
PRESSURE INDICATING APPARATUS COMPRISING A BODY MEMBER, A BORE IN SAID BODY MEMBER, A RECESS AT THE END OF SAID BORE, AND A DISC MEMBER IN SAID BORE AND COVERING SAID RECESS, SAID DISC MEMBER COMPRISING MATERIAL WHICH IS PERMANENTLY DEFORMED WHEN SUBJECTED TO PRESSURE, AND SECURING MEANS IN SAID BORE ADMITTING PRESSURE TO SAID DISC AND SECURING SAID DISC IN PLACE ADJACENT TO SAID RECESS.
References Cited (Backward Citations)
FR874568A
Cited
US3085437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |