Patent US1238668A successfully refreshed from Google Patents.
US1238668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular paper-board.
Assignee: Individual
•
Filing: 1917-01-02
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Granted: 1917-08-28
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Expires: 1937-01-02
Abstract
No abstract record available.
Inventors
- 👤 James J Hinde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:16
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/26; B32B3/28; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/11; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661; Y10T428/24669; Y10T428/24694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-08-27 | 1921-02-26 | 1921-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-27 | 1925-02-26 | 1925-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-27 | 1929-02-26 | 1929-08-28 | $7700.00 | Window Closed / Lapsed |