US3420205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Bayer Corp
•
Filing: 1966-03-23
•
Granted: 1969-01-07
•
Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ayers Morison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
G; G01; G01K; G01K3/00; G01K3/02; G01K3/04; Y; Y10; Y10S; Y10S252/00; Y10S252/962
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US96664A
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US3127281A
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US1238123A
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US1278388A
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US2249867A
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US2601840A
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US3232710A
Cited
US2785057A
Cited
US2708896A
Cited
US3051661A
Cited
US3011874A
Cited
US3006735A
Cited
US3067015A
Cited
US2998306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |