US2457439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing apparatus for sheet material
Assignee: American Linen Supply Co
•
Filing: 1944-07-14
•
Granted: 1948-12-28
•
Expires: 1964-07-14
Abstract
No abstract record available.
Inventors
- 👤 Rudolph G Birr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:03
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/36; A47K10/3631; A47K10/3643
Claims Analysis
Total Claims: 0
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US2186798A
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US2369851A
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US2243686A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |