US3490645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous unitary perforated tissue strip and method of making same
Assignee: CONCEL Inc
•
Filing: 1968-06-13
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Granted: 1970-01-20
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Expires: 1988-06-13
Abstract
No abstract record available.
Inventors
- 👤 James Stuart Glass
- 👤 James Grant Macdonald
- 👤 Harry M Nussbaum
- 👤 Chester A Zurek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/42; A47K10/421; A47K2010/428
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |