US2158727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating handysets and piles and apparatus therefor
Assignee: BALTIMORE SALESBOOK Co
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Filing: 1938-07-22
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Granted: 1939-05-16
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Expires: 1958-07-22
Abstract
No abstract record available.
Inventors
- 👤 John R Morrison
- 👤 Reuben E Babcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:44
CPC Classifications
B; B41; B41L; B41L1/00; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/14; Y10T225/30; Y10T225/336; Y10T225/343; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2044
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) | 1942-05-15 | 1942-11-14 | 1943-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-15 | 1946-11-14 | 1947-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-15 | 1950-11-14 | 1951-05-16 | $7700.00 | Window Closed / Lapsed |