Patent US1270639A successfully refreshed from Google Patents.
Patent US1850086A successfully refreshed from Google Patents.
US1850086A
Expired / Lapsed
US
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Writing implement
Assignee: Individual
•
Filing: 1931-05-02
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Granted: 1932-03-22
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Expires: 1951-05-02
Abstract
No abstract record available.
Inventors
- 👤 Segal Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:39
CPC Classifications
B; B43; B43K; B43K25/00; B43K25/02; B43K25/022; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/1324; Y10T24/1347
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) | 1935-03-22 | 1935-09-21 | 1936-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-22 | 1939-09-21 | 1940-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-22 | 1943-09-21 | 1944-03-22 | $7700.00 | Window Closed / Lapsed |