US2840890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire coating
Assignee: Armco Inc
•
Filing: 1952-03-19
•
Granted: 1958-07-01
•
Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Fred A Emm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/04; C10M2201/05; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
STAINLESS STEEL WIRE OF IMPROVED COLD-FORMING PROPERTIES HAVING THEREON A THIN LAYER OF COLD-FORMING LUBRICANT CONSISTING ESSENTIALLY OF ABOUT EQUAL PROPORTIONS BY VOLUME OF COMMON SOAP, LEAD AND METAL STEARATE SELECTED FROM THE GROUP CONSISTING OF CALCIUM STEARATE, ALUMINUM STEARATE, LEAD STEARATE AND ZINC STEARATE.
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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) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |