Patent US3224264A successfully refreshed from Google Patents.
US3224264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure indicating device
Assignee: Individual
•
Filing: 1963-05-31
•
Granted: 1965-12-21
•
Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Becciani Renato
- 👤 Valtorta Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:46
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0496; B60C29/00; B60C29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A PRESSURE INDICATING DEVICE, COMPRISING A HOLLOW BODY HAVING A CLOSED TOP PART AND A BOTTOM PART, AN OPENING IN SAID BOTTOM PART, A SUBSTANTIALLY CYLINDRICAL WALL ON SAID BOTTOM PART AND SURROUNDING SAID OPENING, SAID CYLINDRICAL WALL HAVING A DIAMETER SMALLER THAN THE DIAMETER OF THE CAVITY OF SAID HOLLOW BODY, SAID CYLINDRICAL WALL PROJECTING ROM SAID BOTTOM WITHIN THE CAVITY OF SAID HOLLOW BODY, AT A DISTANCE FROM THE TOP PART THEREOF, A BAG-LIKE BELLOWS MEMBER OF FLEXIBLE MATERIAL AND HAVING A NECK PORTION OF REDUCED DIAMETER PROJECTING FROM THE BODY PORTION OF SAID BELLOWS MEMBER HAVING A DIAMETER SUBSTANTIALLY GREATER THAN THE DIAMETER OF SAID NECK PORTION, SAID NECK PORTION FITTING WITHIN THE INTERIOR OF THE TOP PORTION OF SAID CYLIDRICAL WALL, MEANS FOR FIXING SAID NECK
Claim 2
Dependent Claim
130 words
A PRESSURE INDICATING DEVICE, COMPRISING A HOLLOW BODY HAVING A CLOSED TOP PART AND A BOTTOM PART, AN OPENING IN SAID BOTTOM PART, A SUBSTANTIALLY CYLINDRICAL WALL ON SAID BOTTOM PART AND SURROUNDING SAID OPENING, SAID CYLINDRICAL WALL HAVING A DIAMETER SMALLER THAN THE DIAMETER OF THE CAVITY OF SAID HOLLOW BODY, SAID CYLINDRICAL WALL PROJECTING ROM SAID BOTTOM WITHIN THE CAVITY OF SAID HOLLOW BODY, AT A DISTANCE FROM THE TOP PART THEREOF, A BAG-LIKE BELLOWS MEMBER OF FLEXIBLE MATERIAL AND HAVING A NECK PORTION OF REDUCED DIAMETER PROJECTING FROM THE BODY PORTION OF SAID BELLOWS MEMBER HAVING A DIAMETER SUBSTANTIALLY GREATER THAN THE DIAMETER OF SAID NECK PORTION, SAID NECK PORTION FITTING WITHIN THE INTERIOR OF THE TOP PORTION OF SAID CYLIDRICAL WALL, MEANS FOR FIXING SAID NECK
References Cited (Backward Citations)
US1807752A
Cited
US1494001A
Cited
US1633145A
Cited
US1946224A
Cited
US2225675A
Cited
US2704045A
Cited
US2948256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |