US2486720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesion of rubber to fibrous materials
Assignee: Callaway Mills Co
•
Filing: 1945-12-22
•
Granted: 1949-11-01
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Fred S Perkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31841; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2861; Y10T442/2869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812790A
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US1878783A
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US1800860A
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US1880808A
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US2225589A
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US2302082A
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US2439514A
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US2380184A
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US2390032A
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US2418633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |