US1542073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: R W MARTIN Co
•
Filing: 1922-12-22
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Granted: 1925-06-16
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Expires: 1942-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:29
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/942; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5854; Y10T70/5858
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) | 1928-06-15 | 1928-12-15 | 1929-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-15 | 1932-12-15 | 1933-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-15 | 1936-12-15 | 1937-06-16 | $7700.00 | Window Closed / Lapsed |