US3086882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filming articles by vacuum deposition
Assignee: Libbey Owens Ford Glass Co
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Filing: 1958-07-02
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Granted: 1963-04-23
•
Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh R Smith
- 👤 William H Colbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:57
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C03; C03C; C03C17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF COATING A HARD GLASS SHEET COMPRISING THE STEPS OF SUBJECTING THE SHEET TO A FIRST VACUUM CONDITION BY REDUCING THE PRESSURE WHILE DIRECTING A BLAST OF AIR AT A SURFACE OF SAID SHEET, SUBJECTING SAID SHEET TO A SECOND VACUUM CONDITION WHICH HAS A PRESSURE THAT IS LESS THAN SAID FIRST VACUUM CONDITION, CLEANING SAID SHEET WHILE BEING SUBJECTED TO SAID SECOND VACUUM CONDITION, SUBJECTING SAID SHEET TO A THIRD VACUUM CONDITION, DEPOSIT-
Claim 2
Independent Claim
76 words
A METHOD OF COATING A HARD GLASS SHEET COMPRISING THE STEPS OF SUBJECTING THE SHEET TO A FIRST VACUUM CONDITION BY REDUCING THE PRESSURE WHILE DIRECTING A BLAST OF AIR AT A SURFACE OF SAID SHEET, SUBJECTING SAID SHEET TO A SECOND VACUUM CONDITION WHICH HAS A PRESSURE THAT IS LESS THAN SAID FIRST VACUUM CONDITION, CLEANING SAID SHEET WHILE BEING SUBJECTED TO SAID SECOND VACUUM CONDITION, SUBJECTING SAID SHEET TO A THIRD VACUUM CONDITION, DEPOSIT-
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |