US1530177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padlock
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1925-01-03
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Granted: 1925-03-17
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Expires: 1945-01-03
Abstract
No abstract record available.
Inventors
- 👤 Frederic K Heyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:43
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/06; E05B67/063; Y; Y10; Y10T; Y10T292/00; Y10T292/513; Y10T292/522; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/446; Y10T70/452; Y10T70/454; Y10T70/487; Y10T70/489; Y10T70/491
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) | 1928-03-16 | 1928-09-15 | 1929-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-16 | 1932-09-15 | 1933-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-16 | 1936-09-15 | 1937-03-17 | $7700.00 | Window Closed / Lapsed |