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Patent US2703169A successfully refreshed from Google Patents.
US2703169A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1953-12-03
•
Granted: 1955-03-01
•
Expires: 1973-12-03
Abstract
No abstract record available.
Inventors
- 👤 Millard L Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:17
CPC Classifications
B; B07; B07C; B07C1/00; B07C1/02; B07C1/04; Y; Y10; Y10S; Y10S209/00; Y10S209/90
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) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |