US2816757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically controlled tape transporter
Assignee: Monroe Calculating Machine Co
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Filing: 1956-07-16
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Granted: 1957-12-17
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 William H Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:46
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/20; G06; G06K; G06K13/00; G06K13/18; G06K13/26; G06K13/30; G11B15/38
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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |