Patent US6428570B1 successfully refreshed from Google Patents.
US3242076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass bonded dry film lubricant
Assignee: North American Aviation Corp
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Filing: 1963-05-22
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Granted: 1966-03-22
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Hagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; C03C4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A DRY FILM LUBRICANT COMPOSITION COMPRISING, BY WEIGHT PERCENT, APPROXIMATELY:
Claim 2
Dependent Claim
10 words
A DRY FILM LUBRICANT COMPOSITION COMPRISING, BY WEIGHT PERCENT, APPROXIMATELY:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |