US3099543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pressure vessel
Assignee: Kimberly Clark Corp
•
Filing: 1955-12-09
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Granted: 1963-07-30
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Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
- 👤 Homer E Malmstrom
- 👤 Robert M Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:19
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; D; D21; D21F; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A DRIER DRUM COMPRISING A CYLINDRICAL SHELL, A CENTER SHAFT COAXIAL WITH THE SHELL, HEAD MEMBERS ON SAID SHAFT, FLEXIBLE RING ASSEMBLES EXTENDING RADIALLY FROM SAID HEAD MEMBERS TO SAID SHELL FOR SIMULTANEOUSLY SEALING AND SUPPORTING THE SHELL TO RETAIN STEAM PRESSURE THEREIN, SAID ASSEMBLES BEING CAPABLE OF DEFLECTING UNDER LOAD AND PREVENTING THE TRANSMISSION OF STRESSES FROM THE HEAD MEMBERS TO THE SHELL, AND SUPPORT MEMBERS ENGAGING SAID FLEXIBLE ASSEMBLIES INTERMEDIATE THE SHELL AND HEAD.
References Cited (Backward Citations)
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |