US2973289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cleaning articles of manufacture
Assignee: Individual
•
Filing: 1959-01-26
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Granted: 1961-02-28
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Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 David I Cropp
- 👤 Chalmer C Jordan
- 👤 Robert W Lingo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:28
CPC Classifications
H; H10; H10P; H10P70/00; H10P70/10; H10P70/15; C; C23; C23G; C23G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR CLEANING ARTICLES OF MANUFACTURE COMPRISING DISPOSING SAID ARTICLES IN A HOLDER CONTAINING AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID AND AMMONIUM CHLORIDE, SEALING SAID HOLDER, AGIATING SAID ARTICLES IN SAID SOLUTION, EMPTYING SAID SOLUTION FROM SAID HOLDER, DISPOSING SAID HOLDER WITH SAID ARTICLES THEREIN IN CLEAR WATER WITH SAID CLEAR WATER IN ENGAGEMENT WITH SAID ARTICLES, AGIATING SAID HOLDER, DRYING SAID ARTICLES, DISPOSING SAID HOLDER IN DE-IONIZED WATER, AGITATING SAID ARTICLES AND SAID HOLDER, AND DRYING SAID ARTICLES.
Claim 2
Dependent Claim
80 words
A PROCESS FOR CLEANING ARTICLES OF MANUFACTURE COMPRISING DISPOSING SAID ARTICLES IN A HOLDER CONTAINING AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID AND AMMONIUM CHLORIDE, SEALING SAID HOLDER, AGIATING SAID ARTICLES IN SAID SOLUTION, EMPTYING SAID SOLUTION FROM SAID HOLDER, DISPOSING SAID HOLDER WITH SAID ARTICLES THEREIN IN CLEAR WATER WITH SAID CLEAR WATER IN ENGAGEMENT WITH SAID ARTICLES, AGIATING SAID HOLDER, DRYING SAID ARTICLES, DISPOSING SAID HOLDER IN DE-IONIZED WATER, AGITATING SAID ARTICLES AND SAID HOLDER, AND DRYING SAID ARTICLES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |