US2761540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor for collapsible tube finishing machine
Assignee: Daystrom Inc
•
Filing: 1949-06-10
•
Granted: 1956-09-04
•
Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Howard G Allen
- 👤 Charles D Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/36; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5134
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |