US1472577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1921-06-15
•
Granted: 1923-10-30
•
Expires: 1941-06-15
Abstract
No abstract record available.
Inventors
- 👤 Baer Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/0096; E05B37/02; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7271; Y10T70/7288; Y10T70/7294; Y10T70/735; Y10T70/7356; Y10T70/7362; Y10T70/7367; Y10T70/7373
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) | 1926-10-29 | 1927-04-30 | 1927-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-10-29 | 1931-04-30 | 1931-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-10-29 | 1935-04-30 | 1935-10-30 | $7700.00 | Window Closed / Lapsed |