Patent US3049439A successfully refreshed from Google Patents.
US3049439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal mix catalyst type spray gun and process employing same
Assignee: Wald Indusries Inc
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Filing: 1960-04-11
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Granted: 1962-08-14
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Coffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/26; B05B7/28; B05B7/32; B05B7/02; B05B7/04; B05B7/0408; B05B7/12; B05B7/1254; B05B7/1263; B05B7/1272; B05B7/2489; B05B7/2497; B05B7/262; B05B7/267; E; E01; E01C; E01C23/00; E01C23/16; E01C23/20; E01C23/22; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A METHOD OF APPLYING A MARKER TO A SURFACE, COMPRISING THE STEPS OF SUPPLYING A FIRST STREAM OF RESIN PAINT BINDER TO A SPRAY GUN MIXING CHAMBER OF THE TOP THEREOF, SUPPLYING A SECOND STREAM OF ATOMIZING FLUID CARRYING AN ACCELERATOR FOR RAPIDLY CURING SAID RESIN PAINT BINDER TO SAID SPRAY GUN, ADMITTING A PORTION OF SAID SECOND STREAM TO THE MIXING CHAMBER AT THE TOP THEREOF SURROUNDING SAID FIRST STREAM, ADMITTING THE BALANCE OF
Claim 2
Dependent Claim
76 words
IN A METHOD OF APPLYING A MARKER TO A SURFACE, COMPRISING THE STEPS OF SUPPLYING A FIRST STREAM OF RESIN PAINT BINDER TO A SPRAY GUN MIXING CHAMBER OF THE TOP THEREOF, SUPPLYING A SECOND STREAM OF ATOMIZING FLUID CARRYING AN ACCELERATOR FOR RAPIDLY CURING SAID RESIN PAINT BINDER TO SAID SPRAY GUN, ADMITTING A PORTION OF SAID SECOND STREAM TO THE MIXING CHAMBER AT THE TOP THEREOF SURROUNDING SAID FIRST STREAM, ADMITTING THE BALANCE OF
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |