US3545973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive polyvinylbutyral lacquer
Assignee: US Philips Corp
•
Filing: 1967-04-18
•
Granted: 1970-12-08
•
Expires: 1987-04-18
Abstract
No abstract record available.
Inventors
- 👤 Theo Tjalke Boersma
- 👤 Hendrikes Johannes Veenendaal
- 👤 Hendrikus Cornelis Nico Sanden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:15
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/04; C; C09; C09D; C09D129/00; C09D129/14; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3471294A
Cited
GB1123642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |