US3475790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold die construction for seal rings
Assignee: Microdot Inc
•
Filing: 1967-11-24
•
Granted: 1969-11-04
•
Expires: 1987-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jack A Bush
- 👤 Stanley D Shaull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:21
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0053; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S425/00; Y10S425/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2950506A
Cited
US2982999A
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US2990206A
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US3004298A
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US2982997A
Cited
US3241193A
Cited
US3341647A
Cited
US3315316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |