US2800181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Melpar Inc
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Filing: 1956-02-27
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Granted: 1957-07-23
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Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Taynton Ralph
- 👤 Vossen Bernd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/36; B41K3/38; B26; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/32; B26F1/36; B26D; B26D7/00; B26D2007/0012; B26D2007/0087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |