Patent US2482931A successfully refreshed from Google Patents.
US2482931A
Expired / Lapsed
US
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Bonding of rubber to fibrous materials
Assignee: Callaway Mills Co
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Filing: 1944-12-06
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Granted: 1949-09-27
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Expires: 1964-12-06
Abstract
No abstract record available.
Inventors
- 👤 Fred S Perkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:36
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2762; Y10T442/277
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1976679A
Cited
US2078881A
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FR788987A
Cited
US2211945A
Cited
US2211960A
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US2224679A
Cited
US2291700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |