US3072288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rupture disc vacuum support
Assignee: Individual
•
Filing: 1960-02-15
•
Granted: 1963-01-08
•
Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lemmer Horace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:18
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A DOME-SHAPED RUPTURE DISC VACUUM SUPPORT COMPRISING AN INTEGRAL THIN BODY HAVING A DOME-SHAPED WALL ADAPTED TO CONFORM TO THE DOME-SHAPED SURFACE OF THE RUPTURE DISC, A PLURALITY OF FISSURES THROUGH THE WALL CONVERGING INWARDLY FROM AN UNBROKEN OUTER MARGINAL CONNECTING PART TO A NARROW UNBROKEN CENTRAL CONNECTING PART, SAID FISSURES DEFINING A PLURALITY OF SECTIONS EXTENDING BETWEEN SAID CONNECTING PARTS, EACH FISSURE EXTENDING COMPLETELY THROUGH THE WALL WITH THE SIDES OF THE ADJACENT SECTIONS DEFINED BY EACH FISSURE TOUCHING WHEREBY THE WALL PROVIDES A SUBSTANTIALLY CONTINUOUS SUPPORTING SURFACE WEAKENED AT THE FISSURES TO ALLOW THE SECTIONS TO PART UNDER PRESSURE, SAID SUPPORT HAVING AN OPENING ADJACENT THE CENTER THEREOF, THE EDGES OF SAID OPENING BEING SPACED
Claim 2
Dependent Claim
117 words
A DOME-SHAPED RUPTURE DISC VACUUM SUPPORT COMPRISING AN INTEGRAL THIN BODY HAVING A DOME-SHAPED WALL ADAPTED TO CONFORM TO THE DOME-SHAPED SURFACE OF THE RUPTURE DISC, A PLURALITY OF FISSURES THROUGH THE WALL CONVERGING INWARDLY FROM AN UNBROKEN OUTER MARGINAL CONNECTING PART TO A NARROW UNBROKEN CENTRAL CONNECTING PART, SAID FISSURES DEFINING A PLURALITY OF SECTIONS EXTENDING BETWEEN SAID CONNECTING PARTS, EACH FISSURE EXTENDING COMPLETELY THROUGH THE WALL WITH THE SIDES OF THE ADJACENT SECTIONS DEFINED BY EACH FISSURE TOUCHING WHEREBY THE WALL PROVIDES A SUBSTANTIALLY CONTINUOUS SUPPORTING SURFACE WEAKENED AT THE FISSURES TO ALLOW THE SECTIONS TO PART UNDER PRESSURE, SAID SUPPORT HAVING AN OPENING ADJACENT THE CENTER THEREOF, THE EDGES OF SAID OPENING BEING SPACED
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |