US2601633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous strip having absorbing sections alternating with nonabsorbing sections, and apparatus and method of producing same
Assignee: Individual
•
Filing: 1948-08-27
•
Granted: 1952-06-24
•
Expires: 1968-08-27
Abstract
No abstract record available.
Inventors
- 👤 Howard C Riordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
D; D06; D06B; D06B11/00; D06B11/0093; A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F13/2082; A61F13/2085; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/24769; Y10T428/24942; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2150030A
Cited
US2236968A
Cited
US2288072A
Cited
US2340311A
Cited
US2336744A
Cited
US2376813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |