US2102767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming valve bags
Assignee: Individual
•
Filing: 1936-04-22
•
Granted: 1937-12-21
•
Expires: 1956-04-22
Abstract
No abstract record available.
Inventors
- 👤 John N Tooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:37
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/102; B31B2160/20; B31B70/74; B31B70/81; B31B70/84; B31B70/855
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1940-12-20 | 1941-06-21 | 1941-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-20 | 1945-06-21 | 1945-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-20 | 1949-06-21 | 1949-12-21 | $7700.00 | Window Closed / Lapsed |