US3289550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering diaphragms
Assignee: Reeves Brothers Inc
•
Filing: 1961-03-14
•
Granted: 1966-12-06
•
Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Watson Charles Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:24
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/20; G01F3/22; G01F3/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN IMPROVED GAS METER DIAPHRAGM ASSEMBLY COMPRISING A PAN HAVING A BOTTOM WALL AND A SIDE WALL EXTENDING UPWARDLY FROM SAID BOTTOM WALL FOR A DISTANCE, THENCE EXTENDING DOWNWARDLY AND OUTWARDLY AT AN ANGLE, AND PERIPHERALLY TERMINATING IN A SUBSTANTIALLY PLANAR PERIPHERAL LIP, AND A FLEXIBLE, IMPERMEABLE SHEET FORMED WITH A CENTRAL PORTION, AN ENDLESS TROUGH OF UNIFORM SIZE AND SHAPE SURROUDING SAID CENTRAL PORTION, AND A SUBSTANTIALLY PLANAR PERIPHERAL PORTION AROUND SAID TROUGH, SAID PERIPHERAL PORTION BEING FORMED SUBSTANTIALLY IN THE OUTLINE OF SAID LIP OF SAID PAN AND BEING SEALED TO SAID
Claim 2
Dependent Claim
94 words
AN IMPROVED GAS METER DIAPHRAGM ASSEMBLY COMPRISING A PAN HAVING A BOTTOM WALL AND A SIDE WALL EXTENDING UPWARDLY FROM SAID BOTTOM WALL FOR A DISTANCE, THENCE EXTENDING DOWNWARDLY AND OUTWARDLY AT AN ANGLE, AND PERIPHERALLY TERMINATING IN A SUBSTANTIALLY PLANAR PERIPHERAL LIP, AND A FLEXIBLE, IMPERMEABLE SHEET FORMED WITH A CENTRAL PORTION, AN ENDLESS TROUGH OF UNIFORM SIZE AND SHAPE SURROUDING SAID CENTRAL PORTION, AND A SUBSTANTIALLY PLANAR PERIPHERAL PORTION AROUND SAID TROUGH, SAID PERIPHERAL PORTION BEING FORMED SUBSTANTIALLY IN THE OUTLINE OF SAID LIP OF SAID PAN AND BEING SEALED TO SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |