Patent US2895328A successfully refreshed from Google Patents.
US2895328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for pressure testing vessels
Assignee: Individual
•
Filing: 1954-12-16
•
Granted: 1959-07-21
•
Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Andrew H Payne
- 👤 Jr Herman J Gauggel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:16
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2846
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2329035A
Cited
US2481013A
Cited
US2522927A
Cited
US2573053A
Cited
US2683982A
Cited
US2618963A
Cited
US2705888A
Cited
US2707388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |