Patent US3100907A successfully refreshed from Google Patents.
US3100907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraping and polishing apparatus
Assignee: Individual
•
Filing: 1960-09-26
•
Granted: 1963-08-20
•
Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Otto Schwertl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:25
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SURFACE TREATING APPARATUS COMPRISING, IN COMBINATION, SUPPORTING MEANS ADAPTED FOR MANUAL GUIDANCE OVER A SURFACE TO BE TREATED AND INCLUDING A HOUSING; DRIVE MEANS MOUNTED ON SAID SUPPORTING MEANS; A ROTARY MEMBER OPERATIVELY CONNECTED TO SAID DRIVE MEANS TO BE ROTATED BY THE SAME AND BEING MOUNTED ON SAID HOUSING, SAID ROTARY MEMBER HAVING A FACE PORTION ADAPTED TO TREAT A SURFACE; A PAIR OF COVERING MEANS PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS AND LOCATED ON OPPOSITE SIDES OF SAID ROTARY MEMBER, SAID PAIR OF COVERING MEANS HAVING BOTTOM EDGES; SPACING MEANS ASSOCIATED WITH SAID PAIR OF COVERING MEANS SO AS TO PREVENT SAID BOTTOM EDGES OF SAID COVERING MEANS FROM MOVING INTO CONTACT WITH EACH OTHER WHEN SAID SURFACE TREATING AP-
Claim 2
Dependent Claim
123 words
A SURFACE TREATING APPARATUS COMPRISING, IN COMBINATION, SUPPORTING MEANS ADAPTED FOR MANUAL GUIDANCE OVER A SURFACE TO BE TREATED AND INCLUDING A HOUSING; DRIVE MEANS MOUNTED ON SAID SUPPORTING MEANS; A ROTARY MEMBER OPERATIVELY CONNECTED TO SAID DRIVE MEANS TO BE ROTATED BY THE SAME AND BEING MOUNTED ON SAID HOUSING, SAID ROTARY MEMBER HAVING A FACE PORTION ADAPTED TO TREAT A SURFACE; A PAIR OF COVERING MEANS PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS AND LOCATED ON OPPOSITE SIDES OF SAID ROTARY MEMBER, SAID PAIR OF COVERING MEANS HAVING BOTTOM EDGES; SPACING MEANS ASSOCIATED WITH SAID PAIR OF COVERING MEANS SO AS TO PREVENT SAID BOTTOM EDGES OF SAID COVERING MEANS FROM MOVING INTO CONTACT WITH EACH OTHER WHEN SAID SURFACE TREATING AP-
References Cited (Backward Citations)
US993202A
Cited
US1208165A
Cited
US1811350A
Cited
US1912386A
Cited
US1991794A
Cited
US2102645A
Cited
US2184401A
Cited
US2348861A
Cited
US2902921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |