US1417430A
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Assignee: BERTHA L ARMSTRONG
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Filing: 1920-11-09
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Granted: 1922-05-23
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Expires: 1940-11-09
Abstract
No abstract record available.
Inventors
- 👤 David M Tulloch
- 👤 Bodge William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:14
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; E05B47/06; E05B47/0607; E05B2047/0007; E05B47/0006; Y; Y10; Y10S; Y10S292/00; Y10S292/14; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1082; Y10T292/68; Y10T292/696; Y10T292/699
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) | 1925-05-22 | 1925-11-21 | 1926-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-22 | 1929-11-21 | 1930-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-22 | 1933-11-21 | 1934-05-23 | $7700.00 | Window Closed / Lapsed |