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US2954978A
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US
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Assignee: Individual
•
Filing: 1953-10-05
•
Granted: 1960-10-04
•
Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert E Towle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:52
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/0005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416463A
Cited
GB189816756A
Cited
FR425843A
Cited
US1685076A
Cited
US1526216A
Cited
US1598214A
Cited
US1525962A
Cited
US2069487A
Cited
US2155912A
Cited
US2206848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |