Patent US1838307A successfully refreshed from Google Patents.
US1838307A
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Paper severing and dispensing means
Assignee: SANITARY PUBLIC SERVICE Corp
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Filing: 1927-03-24
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Granted: 1931-12-29
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Expires: 1947-03-24
Abstract
No abstract record available.
Inventors
- 👤 Hallock Robert Lay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:42
CPC Classifications
A; A47; A47K; A47K17/00; A47K17/003; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4769; Y10T83/4772; Y10T83/4795; Y10T83/483; Y10T83/4836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-12-28 | 1935-06-29 | 1935-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-28 | 1939-06-29 | 1939-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-28 | 1943-06-29 | 1943-12-29 | $7700.00 | Window Closed / Lapsed |