US2681802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the conveyance of tapes with the use of rollers
Assignee: Hartford National Bank and Trust Co
•
Filing: 1949-02-12
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Granted: 1954-06-22
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Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Vermeulen Roelof
- 👤 Alink Roelof Jan Hendrik
- 👤 Bos Julius Goeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:49
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/14; G03D3/135
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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |