US2686732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated metal and method of cold working the same
Assignee: Montgomery H A Co
•
Filing: 1950-01-31
•
Granted: 1954-08-17
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Harley A Montgomery
- 👤 Edmund J Sulikowski
- 👤 Wesley J Wojtowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
C; C09; C09D; C09D193/00; C09D193/04; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0443
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF COLD WORKING A METAL WORKPIECE COMPRISING CLEANING AND FINISHING THE SURFACE OF A WORKPIECE, APPLYING TO THE SURFACE A SINGLE COATING WHICH HAS A THICKNESS OF 0.00003 TO 0.001 INCH AND IS OF A COMPOSITION CONSISTING BY WEIGHT OF THE FOLLOWING: WATER DISPERSION OF DISPROPORTIONATED AND THE PROTEIN BEING OF THE GROUP CONSISTING OF ZEIN, SOYA BEAN GLUE, GELATIN, ALBUMIN, AND CASEIN AND COMBINATIONS THEREOF AND THE PLASTICIZER BEING OF THE GROUP CONSISTING OF ETHANOLFORMAMIDE, DIETHYLAMINOETHANOL, 2 AMINO 2 METHYL 1 PROPANOL, AND TRISHYDROXYMETHYLAMINOMETHANE AND COMBINATIONS THEREOF, DRYING THE COATING, COLD WORKING THE COATED WORKPIECE WITH THE COATING PROTECTING ITS SURFACE AGAINST MARRING, AND REMOVING THE COATING BY WASHING WITH A MILD ALKALINE SOLUTION.
Claim 2
Independent Claim
117 words
A METHOD OF COLD WORKING A METAL WORKPIECE COMPRISING CLEANING AND FINISHING THE SURFACE OF A WORKPIECE, APPLYING TO THE SURFACE A SINGLE COATING WHICH HAS A THICKNESS OF 0.00003 TO 0.001 INCH AND IS OF A COMPOSITION CONSISTING BY WEIGHT OF THE FOLLOWING: WATER DISPERSION OF DISPROPORTIONATED AND THE PROTEIN BEING OF THE GROUP CONSISTING OF ZEIN, SOYA BEAN GLUE, GELATIN, ALBUMIN, AND CASEIN AND COMBINATIONS THEREOF AND THE PLASTICIZER BEING OF THE GROUP CONSISTING OF ETHANOLFORMAMIDE, DIETHYLAMINOETHANOL, 2 AMINO 2 METHYL 1 PROPANOL, AND TRISHYDROXYMETHYLAMINOMETHANE AND COMBINATIONS THEREOF, DRYING THE COATING, COLD WORKING THE COATED WORKPIECE WITH THE COATING PROTECTING ITS SURFACE AGAINST MARRING, AND REMOVING THE COATING BY WASHING WITH A MILD ALKALINE SOLUTION.
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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) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |