Patent US3760767A successfully refreshed from Google Patents.
Patent US2464683A successfully refreshed from Google Patents.
US2464683A
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Assignee: Individual
•
Filing: 1947-04-10
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Granted: 1949-03-15
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Expires: 1967-04-10
Abstract
No abstract record available.
Inventors
- 👤 Herbold Emil
- 👤 Harry D Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:56
CPC Classifications
B; B62; B62H; B62H1/00; B62H2700/00; B62H2700/005; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5872; Y10T70/5881
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) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |