US3490139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal and method of forming the same
Assignee: Chicago Rawhide Manufacturing Co Inc
•
Filing: 1965-10-01
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Granted: 1970-01-20
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Robert Mckinven Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0053; F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/328; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2700186A
Cited
US2772012A
Cited
US2982999A
Cited
US3090996A
Cited
US3276115A
Cited
US3276114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |