US2919820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mat transfer apparatus
Assignee: Industrial Development Co SAL
•
Filing: 1956-02-21
•
Granted: 1960-01-05
•
Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Byron B Brookhyser
- 👤 Harold E Erickson
- 👤 Dale L Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:21
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/16; D; D21; D21J; D21J1/00
Claims Analysis
Total Claims: 0
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US2598222A
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US2665013A
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US2716497A
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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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |