US2850294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picture album
Assignee: —
•
Filing: —
•
Granted: 1958-09-02
•
Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:05
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/12; B42D1/00; B42D1/08; B42F; B42F5/00; Y; Y10; Y10S; Y10S402/00; Y10S402/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US321164A
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US1813111A
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DE574271C
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US2127619A
Cited
US2150474A
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US2271734A
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US2414007A
Cited
US2532965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |