US2633414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective liner for autoclaves
Assignee: Pechiney SA
•
Filing: 1948-06-07
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Granted: 1953-03-31
•
Expires: 1968-06-07
Abstract
No abstract record available.
Inventors
- 👤 Boivinet Jean Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/02; B01; B01J; B01J3/00; B01J3/002; B01J3/04; B01J3/048; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/154; B21D; B21D51/00; B21D51/16; B21D51/24; C; C07; C07C; C07C273/00; C07C273/02; C07C273/04; F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/08; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y10; Y10S; Y10S220/00; Y10S220/917; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
AN AUTOCLAVE COMPRISING AN OUTER SHELL RESISTANT TO MECHANICAL STRESSES, A UNITARY, SMOOTH, CORROSION-RESISTING DEFORMABLE INNER LINING SUBSTANTIALLY CONTINUOUS WITH AND COEXTENSIVE IN AREA WITH THE INNER SURFACE OF SAID SHELL, SEPARATE SPACING MEANS BETWEEN SAID SHELL AND LINING UNIFORMLY DISTRIBUTED OVER THE ENTIRE CIRCUMFERENCE OF SAID SHELL, SAID LINING CONTACT THE INNER SURFACE OF THE SHELL AT A MULTIPLICITY OF AREAS UNIFORMLY DISTRIBUTED OVER THE ENTIRE INNER SURFACE,
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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) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |