US2984757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually portable tool construction
Assignee: Individual
•
Filing: 1956-06-28
•
Granted: 1961-05-16
•
Expires: 1976-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter A Papworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D49/165; B23D51/00; B23D51/02; B23D51/025; B23D51/08; B23D51/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US461325A
Cited
US2009124A
Cited
US2261816A
Cited
US2349401A
Cited
US2440950A
Cited
US2752514A
Cited
US2603674A
Cited
US2695522A
Cited
US2722244A
Cited
US2737984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |