US1554437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1924-08-16
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Granted: 1925-09-22
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Expires: 1944-08-16
Abstract
No abstract record available.
Inventors
- 👤 Larsen John
- 👤 Berg Hjalmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/001; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/1324; Y10T24/1332; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3444; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44872; Y10T24/44906; Y10T24/44915
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) | 1928-09-21 | 1929-03-23 | 1929-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-21 | 1933-03-23 | 1933-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-21 | 1937-03-23 | 1937-09-22 | $7700.00 | Window Closed / Lapsed |