US1721722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bone-sawing machine
Assignee: Individual
•
Filing: 1927-05-23
•
Granted: 1929-07-23
•
Expires: 1947-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wells William Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
A; A22; A22B; A22B5/00; A22B5/20; A22B5/203; A22B5/208; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7101; Y10T83/7114; Y10T83/712; Y10T83/7126; Y10T83/7226; Y10T83/7239
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) | 1932-07-22 | 1933-01-21 | 1933-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-22 | 1937-01-21 | 1937-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-22 | 1941-01-21 | 1941-07-23 | $7700.00 | Window Closed / Lapsed |