Patent US3304573A successfully refreshed from Google Patents.
US3304573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid coating equipment
Assignee: Individual
•
Filing: 1963-11-26
•
Granted: 1967-02-21
•
Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Stephen F Stefely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:11
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/03; B05C17/035; B05C17/002; B05C17/0316
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
183 words
APPARATUS FOR ONE-HANDED APPLICATION OF LIQUID COATING MATERIAL FROM A REMOTE RESERVOIR TO A SURFACE, SAID APPARATUS COMPRISING FLEXIBLE ADSORBENT MEANS ADAPTED TO ENGAGE AND DEPOSITE LIQUID COATING MATERIAL ON THE SURFACE, SUPPORTING MEANS FOR SAID FLEXIBLE MATERIAL INCLUDING A HANDLE ADAPTED TO BE HELD BY ONE HAND DURING THE APPLYING OPERATION, AIR PRESSURE PUMPING MEANS MOUNTED ON SAID HANDLE AND INCLUDING FLEXIBLE WALL MEANS ON THE SURFACE OF SAID HANDLE, A FIRST FLEXIBLE CONDUIT FOR THE PASSAGE OF PRESSURIZED AIR FROM SAID PUMPING MEANS TO THE REMOTE RESERVOIR FOR BUILDING UP A SUPPLY OF AIR PRESSURE WITHIN THE REMOTE RESERVOIR, A SECOND FLEXIBLE CONDUIT FOR THE PASSAGE OF LIQUID COATING MATERIAL FROM THE REMOTE RESERVOIR TO SAID SUPPORTING MEANS, MEANS DEFINING A PASSAGEWAY THROUGH SAID SUPPORTING MEANS FOR THE PASSAGE OF LIQUID COATING MATERIAL FROM SAID SECOND CONDUIT TO SAID FLEXIBLE ADSORBENT MEANS, AND A FLOW CONTROLLING VALVE IN SAID LAST MENTIONED PASSAGEWAY HAVING A VALVE ADJUSTING MEMBER EXTENDING FROM SAID HANDLE IN A POSITION TO BE ENGAGEABLE BY A DIGIT OF THE ONE HAND HOLDING SAID HANDLE DURING THE PAINTING OPERATION.
References Cited (Backward Citations)
US626750A
Cited
US696331A
Cited
US734319A
Cited
GB191008466A
Cited
US1038376A
Cited
US1185760A
Cited
US1829850A
Cited
US2536291A
Cited
US2774095A
Cited
US3076995A
Cited
US3101506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |