Patent US3355815A successfully refreshed from Google Patents.
US3355815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer for photoprints
Assignee: American Photocopy Equipment Co
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Filing: 1966-06-22
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Granted: 1967-12-05
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Expires: 1986-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:53
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; G03D15/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A DRYER FOR PHOTOPRINTS OR THE LIKE, THE COMBINATION COMPRISING, A FRAME, A HOLLOW DRUM OF THERMALLY CONDUCTIVE MATERIAL ROTATABLE THEREIN, AN ENDLESS FABRIC BELT OF POROUS CONSTRUCTION HAVING A DRUM ENGAGING PORTION WHICH EXTENDS ABOUT THE MAJOR PORTION OF THE DRUM PERIPHERY WHILE LEAVING THE FACE OF THE DRUM ACCESSIBLE AND A RETURN PORTION DEFINING A REAR CHAMBER, A SET OF SHAFTS FOR GUIDING THE RETURN PORTION OF THE BELT INCLUDING A SHAFT ARRANGED FORWARDLY OF THE DRUM DEFINING AN APRON, A MOTOR FOR DRIVING THE BELT, A FIRST ELECTRIC HEATING ELEMENT IN THE DRUM FOR HEATING THE FACE OF THE PHOTOPRINTS
Claim 2
Dependent Claim
104 words
IN A DRYER FOR PHOTOPRINTS OR THE LIKE, THE COMBINATION COMPRISING, A FRAME, A HOLLOW DRUM OF THERMALLY CONDUCTIVE MATERIAL ROTATABLE THEREIN, AN ENDLESS FABRIC BELT OF POROUS CONSTRUCTION HAVING A DRUM ENGAGING PORTION WHICH EXTENDS ABOUT THE MAJOR PORTION OF THE DRUM PERIPHERY WHILE LEAVING THE FACE OF THE DRUM ACCESSIBLE AND A RETURN PORTION DEFINING A REAR CHAMBER, A SET OF SHAFTS FOR GUIDING THE RETURN PORTION OF THE BELT INCLUDING A SHAFT ARRANGED FORWARDLY OF THE DRUM DEFINING AN APRON, A MOTOR FOR DRIVING THE BELT, A FIRST ELECTRIC HEATING ELEMENT IN THE DRUM FOR HEATING THE FACE OF THE PHOTOPRINTS
References Cited (Backward Citations)
US1593161A
Cited
US2184663A
Cited
US2526318A
Cited
US2896336A
Cited
US3002290A
Cited
US3157390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |