US3474718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive method for depositing thin uniform glass films on substrates
Assignee: Unisys Corp
•
Filing: 1966-02-08
•
Granted: 1969-10-28
•
Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Guthrie
- 👤 Seymour Merrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:34
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/43; G; G03; G03F; G03F7/00; G03F7/004; G03F7/0047; H10W20/00; H10W20/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49146
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732297A
Cited
US2744034A
Cited
US2900255A
Cited
US3114065A
Cited
US3222173A
Cited
US3212921A
Cited
US3300339A
Cited
US3355291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |