Patent US3083913A successfully refreshed from Google Patents.
US3083913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for marking a surface
Assignee: Wald Indusries Inc
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Filing: 1961-08-21
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Granted: 1963-04-02
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Coffman
- 👤 William R Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:00
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/20; E01C23/22; B; B05; B05B; B05B12/00; B05B12/14; B05B12/1418; B05B7/00; B05B7/24; B05B7/26; B05B7/28; B05B7/32; B05B9/00; B05B9/03; B05B9/04; B05B9/06; B05B15/00; B05B15/50; B05B15/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN APPARATUS FOR APPLYING A COATING COMPOSITION TO A SURFACE FROM A SELF-PROPELLED VEHICLE EQUIPPED WITH A SPRAY GUN, A SOURCE OF SUPPLY FOR A FIRST INGREDIENT OF SAID COATING COMPOSITION, A SOURCE OF SUPPLY FOR A SECOND INGREDIENT OF SAID COATING COMPOSITION, MEANS FOR CONNECTING SAID FIRST SOURCE OF SUPPLY WITH SAID SPRAY GUN AND MEANS FOR CONNECTING SAID SECOND SOURCE OF SUPPLY WITH SAID SPRAY GUN, THE IMPROVEMENTS COMPRISING A FIRST PUMP LOCATED IN SAID FIRST CONNECTING MEANS, A SECOND PUMP LOCATED IN SAID SECOND CONNECTING MEANS, CONTROL MEANS FOR ACTUATING SAID TWO PUMPS SO THAT SAID FIRST PUMP ALWAYS STARTS TO PUMP SAID FIRST INGREDIENT TO SAID
Claim 2
Dependent Claim
111 words
IN AN APPARATUS FOR APPLYING A COATING COMPOSITION TO A SURFACE FROM A SELF-PROPELLED VEHICLE EQUIPPED WITH A SPRAY GUN, A SOURCE OF SUPPLY FOR A FIRST INGREDIENT OF SAID COATING COMPOSITION, A SOURCE OF SUPPLY FOR A SECOND INGREDIENT OF SAID COATING COMPOSITION, MEANS FOR CONNECTING SAID FIRST SOURCE OF SUPPLY WITH SAID SPRAY GUN AND MEANS FOR CONNECTING SAID SECOND SOURCE OF SUPPLY WITH SAID SPRAY GUN, THE IMPROVEMENTS COMPRISING A FIRST PUMP LOCATED IN SAID FIRST CONNECTING MEANS, A SECOND PUMP LOCATED IN SAID SECOND CONNECTING MEANS, CONTROL MEANS FOR ACTUATING SAID TWO PUMPS SO THAT SAID FIRST PUMP ALWAYS STARTS TO PUMP SAID FIRST INGREDIENT TO SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |