Patent US2905574A successfully refreshed from Google Patents.
US2905574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming metal sulfide coatings
Assignee: Alpha Molykote Corp
•
Filing: 1956-01-04
•
Granted: 1959-09-22
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Spengler Gunter
- 👤 Hohn Hannsheinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:10
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; C23C18/12; B; B01; B01J; B01J27/00; B01J27/02; B01J27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
METHOD FOR FORMING A FIRMLY ADHERENT METAL SULFIDE COATING ON A SURFACE WHICH COMPRISES THERMALLY DECOMPOSING, IN SITU, A COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
24 words
METHOD FOR FORMING A FIRMLY ADHERENT METAL SULFIDE COATING ON A SURFACE WHICH COMPRISES THERMALLY DECOMPOSING, IN SITU, A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US404463A
Cited
US869013A
Cited
US2387872A
Cited
US2420886A
Cited
US2361211A
Cited
US2622993A
Cited
US2656284A
Cited
US2719094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |