Patent US3084914A successfully refreshed from Google Patents.
US3084914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser for recovery of sublimable materials
Assignee: Scientific Design LLC
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Filing: 1958-06-23
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Granted: 1963-04-09
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:27
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/06; B; B01; B01D; B01D7/00; B01D7/02; C; C07; C07C; C07C51/00; C07C51/54; C07C51/573
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN APPARATUS FOR THE CONDENSATION OF SUBLIMABLE MATERIAL, WHEREIN OBSTRUCTION OF THE FLOW PATH BY DEPOSITED MATERIAL IS MINIMIZED COMPRISING IN COMBINATION A VESSEL, ROWS OF FINNED TUBES DISPOSED TRANSVERSELY OF THE AXIS OF FLOW IN SAID VESSEL, VAPOR INLET MEANS TO SAID VESSEL, VAPOR OUTLET MEANS AND LIQUID OUTLET MEANS FROM SAID VESSEL, CONDENSING MEANS AND ALTERNATELY APPLIED HEATING MEANS FOR SAID FINNED TUBES, THE PITCH OF THE FINS PROGRESSIVELY DECREASING FROM A MAXIMUM AT THE TUBE ROWS NEAREST SAID VAPOR INLET MEANS TO A MINIMUM AT THE TUBE ROWS NEAREST SAID VAPOR OUTLET MEANS, THE PITCH OF THE ROWS CONTAINING THE FINNED TUBES NEAREST SAID VAPOR INLET MEANS BEING GREATER THAN THE PITCH OF THE REMAINDER OF THE ROWS IN SAID APPARATUS, WHEREBY DISTRIBUTION OF CONDENSATE IS MAXIMIZED THROUGHOUT THE CONDENSING MEANS.
Claim 2
Independent Claim
134 words
AN APPARATUS FOR THE CONDENSATION OF SUBLIMABLE MATERIAL, WHEREIN OBSTRUCTION OF THE FLOW PATH BY DEPOSITED MATERIAL IS MINIMIZED COMPRISING IN COMBINATION A VESSEL, ROWS OF FINNED TUBES DISPOSED TRANSVERSELY OF THE AXIS OF FLOW IN SAID VESSEL, VAPOR INLET MEANS TO SAID VESSEL, VAPOR OUTLET MEANS AND LIQUID OUTLET MEANS FROM SAID VESSEL, CONDENSING MEANS AND ALTERNATELY APPLIED HEATING MEANS FOR SAID FINNED TUBES, THE PITCH OF THE FINS PROGRESSIVELY DECREASING FROM A MAXIMUM AT THE TUBE ROWS NEAREST SAID VAPOR INLET MEANS TO A MINIMUM AT THE TUBE ROWS NEAREST SAID VAPOR OUTLET MEANS, THE PITCH OF THE ROWS CONTAINING THE FINNED TUBES NEAREST SAID VAPOR INLET MEANS BEING GREATER THAN THE PITCH OF THE REMAINDER OF THE ROWS IN SAID APPARATUS, WHEREBY DISTRIBUTION OF CONDENSATE IS MAXIMIZED THROUGHOUT THE CONDENSING MEANS.
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |