US3549360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film for xerographic production of transparencies and process of making same
Assignee: Rowland Products Inc
•
Filing: 1966-09-29
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Granted: 1970-12-22
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur J O'neill
- 👤 William P Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
G; G03; G03G; G03G7/00; G03G7/0086; G03G7/0006; G03G7/002; G03G7/006; G03G7/0073; G03G7/008
Claims Analysis
Total Claims: 0
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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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |