US3475244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of compressed graphite structures
Assignee: Dow Chemical Co
•
Filing: 1966-04-04
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Granted: 1969-10-28
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 James A Sanders Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:33
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/021; C04B35/00; C04B35/515; C04B35/52; C04B35/536; C04B37/001; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/52; C04B2235/5208; C04B2235/5216; C04B2235/524; C04B2235/5248; C04B2235/65; C04B2235/658; C04B2237/00; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/363; C04B2237/50; C04B2237/52; C04B2237/525
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3404061A
Cited
US3323869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |