Patent US2436437A successfully refreshed from Google Patents.
US2436437A
Expired / Lapsed
US
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Pencil with magazine and push type feed
Assignee: Individual
•
Filing: 1945-01-11
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Granted: 1948-02-24
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Expires: 1965-01-11
Abstract
No abstract record available.
Inventors
- 👤 August K F Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:43
CPC Classifications
B; B43; B43K; B43K21/00; B43K21/02; B43K21/22; C; C10; C10M; C10M2201/00; C10M2201/06; C10M2201/062; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/34; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US381612A
Cited
US1430204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |