US1739647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gumming device for envelope-making machines
Assignee: Individual
•
Filing: 1928-01-10
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Granted: 1929-12-17
•
Expires: 1948-01-10
Abstract
No abstract record available.
Inventors
- 👤 Parks Frederick James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:53
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2150/00; B31B2160/00; B31B2160/10
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) | 1932-12-16 | 1933-06-17 | 1933-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-16 | 1937-06-17 | 1937-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-16 | 1941-06-17 | 1941-12-17 | $7700.00 | Window Closed / Lapsed |