Patent US721852A successfully refreshed from Google Patents.
US721852A
Expired / Lapsed
US
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Process of making glue.
Assignee: Individual
•
Filing: 1902-12-16
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Granted: 1903-03-03
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Expires: 1922-12-16
Abstract
No abstract record available.
Inventors
- 👤 Richard Arens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
C; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S530/00; Y10S530/855; Y10S530/857
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) | 1906-03-02 | 1906-09-01 | 1907-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-03-02 | 1910-09-01 | 1911-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-03-02 | 1914-09-01 | 1915-03-03 | $7700.00 | Window Closed / Lapsed |