US3474071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive polycarbonamides
Assignee: TI Gotham Inc
•
Filing: 1967-03-10
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Granted: 1969-10-21
•
Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Donald J Byers
- 👤 Robert M Leekley
- 👤 Margaret H Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:18
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/48; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3081168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |