US2828529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working tool
Assignee: Individual
•
Filing: 1952-01-16
•
Granted: 1958-04-01
•
Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:39
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23B; B23B29/00; B23B29/03; B23C5/22; B23C5/2298; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/2286; Y10T407/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US72447A
Cited
US628530A
Cited
US990068A
Cited
US1187393A
Cited
US1223654A
Cited
US1855971A
Cited
US1733594A
Cited
US2130684A
Cited
US2508183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |