US2970927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doating compositions
Assignee: Individual
•
Filing: 1952-06-03
•
Granted: 1961-02-07
•
Expires: 1972-06-03
Abstract
No abstract record available.
Inventors
- 👤 David Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:16
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A COMPOSITION FOR PROTECTIVELY COATING METALLIC SURFACES AGAINST THE EFFECTS OF HIGH TEMPERATURE CONSISTING ESSENTIALLY OF A HOMOGENEOUS SUSPENSION IN A LIQUID VEHICLE OF COLLOIDAL GRAPHITE AND AT LEAST ONE COLLOIDAL METAL OF LOW ACTIVITY, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF SILVER, GOLD AND PLATINUM, SAID LIQUID VEHICLE BEING SELECTED FROM THE GROUP CONSISTING OF NON DRYING VEGETABLE OILS AND MINERAL OILS, WHEREIN IS CONTAINED BETWEEN ABOUT 7.5 AND 8 PARTS OF GRAPHITE FOR EACH PART OF SAID METAL.
Claim 2
Dependent Claim
82 words
A COMPOSITION FOR PROTECTIVELY COATING METALLIC SURFACES AGAINST THE EFFECTS OF HIGH TEMPERATURE CONSISTING ESSENTIALLY OF A HOMOGENEOUS SUSPENSION IN A LIQUID VEHICLE OF COLLOIDAL GRAPHITE AND AT LEAST ONE COLLOIDAL METAL OF LOW ACTIVITY, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF SILVER, GOLD AND PLATINUM, SAID LIQUID VEHICLE BEING SELECTED FROM THE GROUP CONSISTING OF NON DRYING VEGETABLE OILS AND MINERAL OILS, WHEREIN IS CONTAINED BETWEEN ABOUT 7.5 AND 8 PARTS OF GRAPHITE FOR EACH PART OF SAID METAL.
References Cited (Backward Citations)
US183343A
Cited
US1460317A
Cited
GB212914A
Cited
GB294656A
Cited
GB432278A
Cited
FR782956A
Cited
FR784833A
Cited
US2324729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |