US2977997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper
Assignee: Kendall Co
•
Filing: 1958-10-07
•
Granted: 1961-04-04
•
Expires: 1978-10-07
Abstract
No abstract record available.
Inventors
- 👤 Norman L Seltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:07
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49003; D; D03; D03D; D03D1/00; D10; D10B; D10B2201/00; D10B2509/00; D10B2509/02; D10B2509/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US776087A
Cited
US1788657A
Cited
GB365974A
Cited
USRE21092E
Cited
US2161539A
Cited
US2418676A
Cited
US2619089A
Cited
US2713359A
Cited
US2845069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |