US2606680A
Expired / Lapsed
US
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Assignee: Caterpillar Industrial Inc
•
Filing: 1949-05-17
•
Granted: 1952-08-12
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Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:26
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/19; Y; Y10; Y10S; Y10S414/00; Y10S414/126
Claims Analysis
Total Claims: 0
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US2507583A
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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) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |